GJ
ATP · Rank #233
ATP · Rank #233
Guido Ivan Justo
28yrs
1.78 m
78 kg
Right
#223Peak Rank
75.4%Accuracy
61
Matches Analyzed
Recent Form
LWLLW
Recent & Upcoming
Tap a match for full analysis
F. Mena vs G. I. Justo, Challenger - Buenos Aires 2, Argentina, 19:10, Finished. Match winner odds: 1.62 for F. Mena, 2.7 for G. I. Justo. AI winner pick: F. Mena, odds 1.62, confidence 2.8 out of 10. This tip won. Predicted score: 6-4, 6-4. Best AI tip: F. Mena, odds 1.62, confidence 2.8 out of 10. This tip won.
F. Mena
(8)
G. I. Justo
G. Villanueva vs G. I. Justo, Challenger - Buenos Aires 2, Argentina, 23:00, Finished. Match winner odds: 2.2 for G. Villanueva, 1.66 for G. I. Justo. AI winner pick: G. Villanueva, odds 2.2, confidence 2.1 out of 10. This tip lost. Predicted score: 6-4, 6-4. Best AI tip: U23.5, odds 1.55, confidence 4.9 out of 10. This tip lost.
G. Villanueva
G. I. Justo
19:10
Finished
1910
F. Mena
(8)
G. I. Justo
2
0
▾1.62
▴2.7
1
▾1.62
6464
1
▾1.62
2.8/10
23:00
Finished
2300
G. Villanueva
G. I. Justo
1
2
▴2.2
▴1.66
1
▴2.2
6464
U23.5
▾1.55
4.9/10
G. I. Justo vs J. Torres, Challenger - Liberec, Czech Republic, 13:00, Finished. Match winner odds: 1.62 for G. I. Justo, 2.27 for J. Torres. AI winner pick: G. I. Justo, odds 1.62, confidence 5.1 out of 10. This tip lost. Predicted score: 6-0, 6-0. Best AI tip: G. I. Justo, odds 1.62, confidence 5.1 out of 10. This tip lost.
G. I. Justo
(5)
J. Torres
G. I. Justo vs S. Gueymard, Challenger - Liberec, Czech Republic, 11:50, Finished. Match winner odds: 1.8 for G. I. Justo, 1.97 for S. Gueymard. AI winner pick: G. I. Justo, odds 1.8, confidence 4.0 out of 10. This tip won. Predicted score: 6-3, 6-4. Best AI tip: G. I. Justo, odds 1.8, confidence 4.0 out of 10. This tip won.
G. I. Justo
S. Gueymard
13:00
Finished
1300
G. I. Justo
(5)
J. Torres
0
2
▾1.62
▴2.27
1
▾1.62
6060
1
▾1.62
5.1/10
11:50
Finished
1150
G. I. Justo
S. Gueymard
2
0
▴1.8
▾1.97
1
▴1.8
6364
1
▴1.8
4.0/10
D. Dedura-P. vs G. I. Justo, Challenger - Tampere, Finland, 10:00, Finished. Match winner odds: 1.52 for D. Dedura-P., 2.52 for G. I. Justo. AI winner pick: D. Dedura-P., odds 1.52, confidence 2.4 out of 10. This tip won. Predicted score: 6-4, 7-6. Best AI tip: D. Dedura-P., odds 1.52, confidence 2.4 out of 10. This tip won.
D. Dedura-P.
G. I. Justo
(8)
G. Olivieri vs G. I. Justo, Challenger - Tampere, Finland, 13:10, Finished. Match winner odds: 2.25 for G. Olivieri, 1.64 for G. I. Justo. AI winner pick: G. I. Justo, odds 1.64, confidence 3.7 out of 10. This tip won. Predicted score: 4-6, 3-6. Best AI tip: G. I. Justo, odds 1.64, confidence 3.7 out of 10. This tip won.
G. Olivieri
G. I. Justo
(8)
10:00
Finished
1000
D. Dedura-P.
G. I. Justo
(8) 2
0
▾1.52
▴2.52
1
▾1.52
6476
1
▾1.52
2.4/10
13:10
Finished
1310
G. Olivieri
G. I. Justo
(8) 0
2
▴2.25
▾1.64
2
▾1.64
4636
2
▾1.64
3.7/10
L. Neumayer vs G. I. Justo, Challenger - Trieste, Italy, 13:35, Finished. Match winner odds: 1.33 for L. Neumayer, 3.35 for G. I. Justo. AI winner pick: L. Neumayer, odds 1.33, confidence 5.5 out of 10. This tip won. Predicted score: 6-4, 6-3. Best AI tip: L. Neumayer, odds 1.33, confidence 5.5 out of 10. This tip won.
L. Neumayer
(3)
G. I. Justo
G. I. Justo vs G. Kravchenko, Challenger - Trieste, Italy, 09:00, Finished. Match winner odds: 1.51 for G. I. Justo, 2.44 for G. Kravchenko. AI winner pick: G. Kravchenko, odds 2.44, confidence 1.0 out of 10. This tip lost. Predicted score: 4-6, 6-3, 3-6. Best AI tip: O20.5, odds 1.66, confidence 2.3 out of 10. This tip lost.
G. I. Justo
G. Kravchenko
13:35
Finished
1335
L. Neumayer
(3)
G. I. Justo
2
1
▾1.33
▴3.35
1
▾1.33
6463
1
▾1.33
5.5/10
09:00
Finished
0900
G. I. Justo
G. Kravchenko
2
0
▴1.51
▾2.44
2
▾2.44
466336
O20.5
1.66
2.3/10
G. I. Justo vs K. Smith, Challenger - Brasov, Romania, 10:50, Finished. Match winner odds: 1.67 for G. I. Justo, 2.23 for K. Smith. AI winner pick: G. I. Justo, odds 1.67, confidence 1.0 out of 10. This tip lost. Predicted score: 4-6, 6-3, 6-3. Best AI tip: O19.5, odds 1.38, confidence 4.2 out of 10. This tip won.
G. I. Justo
K. Smith
G. I. Justo vs O. Wallin, Challenger - Brasov, Romania, 09:00, Finished. Match winner odds: 1.58 for G. I. Justo, 2.38 for O. Wallin. AI winner pick: G. I. Justo, odds 1.58, confidence 3.5 out of 10. This tip won. Predicted score: 2-6, 6-3, 6-4. Best AI tip: O19.5, odds 1.46, confidence 3.8 out of 10. This tip lost.
G. I. Justo
O. Wallin
(Q)
O. Milić vs G. I. Justo, Challenger - Brasov, Romania, 08:30, Finished. Match winner odds: 2.57 for O. Milić, 1.48 for G. I. Justo. AI winner pick: G. I. Justo, odds 1.48, confidence 3.3 out of 10. This tip won. Predicted score: 3-6, 4-6. Best AI tip: G. I. Justo, odds 1.48, confidence 3.3 out of 10. This tip won.
O. Milić
G. I. Justo
10:50
Finished
1050
G. I. Justo
K. Smith
0
2
▴1.67
▾2.23
1
▴1.67
466363
O19.5
▾1.38
4.2/10
09:00
Finished
0900
G. I. Justo
O. Wallin
(Q) 2
0
▴1.58
▾2.38
1
▴1.58
266364
O19.5
1.46
3.8/10
08:30
Finished
0830
O. Milić
G. I. Justo
1
2
▴2.57
▾1.48
2
▾1.48
3646
2
▾1.48
3.3/10
G. I. Justo vs N. Hardt, Challenger - Asuncion 2, Paraguay, 22:30, Finished. Match winner odds: 2.08 for G. I. Justo, 1.78 for N. Hardt. AI winner pick: G. I. Justo, odds 2.08, confidence 1.5 out of 10. This tip lost. Predicted score: 6-3, 6-4. Best AI tip: O18.5, odds 1.31, confidence 2.8 out of 10. This tip won.
G. I. Justo
(1)
N. Hardt
G. I. Justo vs L. E. Ambrogi, Challenger - Asuncion 2, Paraguay, 19:55, Finished. Match winner odds: 1.67 for G. I. Justo, 2.22 for L. E. Ambrogi. AI winner pick: L. E. Ambrogi, odds 2.22, confidence 1.9 out of 10. This tip lost. Predicted score: 6-3, 4-6, 2-6. Best AI tip: O19.5, odds 1.48, confidence 3.0 out of 10. This tip lost.
G. I. Justo
(1)
L. E. Ambrogi
G. I. Justo vs J. Gómez, Challenger - Asuncion 2, Paraguay, 17:00, Finished. Match winner odds: 1.1 for G. I. Justo, 7.2 for J. Gómez. AI winner pick: G. I. Justo, odds 1.1, confidence 7.5 out of 10. This tip won. Predicted score: 6-3, 6-2. Best AI tip: G. I. Justo, odds 1.1, confidence 7.5 out of 10. This tip won.
G. I. Justo
(1)
J. Gómez
G. I. Justo vs A. Hernandez, Challenger - Asuncion 2, Paraguay, 16:30, Finished. Match winner odds: 1.27 for G. I. Justo, 3.6 for A. Hernandez. AI winner pick: G. I. Justo, odds 1.27, confidence 10.0 out of 10. This tip won. Predicted score: 7-6, 6-3. Best AI tip: G. I. Justo, odds 1.27, confidence 10.0 out of 10. This tip won.
G. I. Justo
A. Hernandez
22:30
Finished
2230
G. I. Justo
(1)
N. Hardt
0
2
▾2.08
▴1.78
1
▾2.08
6364
O18.5
1.31
2.8/10
19:55
Finished
1955
G. I. Justo
(1)
L. E. Ambrogi
2
0
▴1.67
▾2.22
2
▾2.22
634626
O19.5
▾1.48
3.0/10
17:00
Finished
1700
G. I. Justo
(1)
J. Gómez
2
0
▾1.1
▴7.2
1
▾1.1
6362
1
▾1.1
7.5/10
16:30
Finished
1630
G. I. Justo
A. Hernandez
2
0
▾1.27
▴3.6
1
▾1.27
7663
1
▾1.27
10.0/10
G. I. Justo vs L. E. Ambrogi, Challenger - San Miguel de Tucuman, Argentina, 16:45, Finished. Match winner odds: 1.55 for G. I. Justo, 2.4 for L. E. Ambrogi. AI winner pick: G. I. Justo, odds 1.55, confidence 3.1 out of 10. This tip lost. Predicted score: 6-3, 4-6, 6-2. Best AI tip: G. I. Justo, odds 1.55, confidence 3.1 out of 10. This tip lost.
G. I. Justo
(1)
L. E. Ambrogi
(8)
G. I. Justo vs T. Cigarran, Challenger - San Miguel de Tucuman, Argentina, 18:10, Finished. Match winner odds: 1.11 for G. I. Justo, 7.3 for T. Cigarran. AI winner pick: G. I. Justo, odds 1.11, confidence 10.0 out of 10. This tip won. Predicted score: 6-2, 6-4. Best AI tip: G. I. Justo, odds 1.11, confidence 10.0 out of 10. This tip won.
G. I. Justo
(1)
T. Cigarran
(Q)
G. I. Justo vs H. Casanova, Challenger - San Miguel de Tucuman, Argentina, 16:30, Finished. Match winner odds: 1.64 for G. I. Justo, 2.22 for H. Casanova. AI winner pick: G. I. Justo, odds 1.64, confidence 1.7 out of 10. This tip won. Predicted score: 6-3, 6-4. Best AI tip: G. I. Justo, odds 1.64, confidence 1.7 out of 10. This tip won.
G. I. Justo
(1)
H. Casanova
16:45
Finished
1645
G. I. Justo
(1)
L. E. Ambrogi
(8) 1
2
▾1.55
▴2.4
1
▾1.55
634662
1
▾1.55
3.1/10
18:10
Finished
1810
G. I. Justo
(1)
T. Cigarran
(Q) 2
0
▾1.11
▴7.3
1
▾1.11
6264
1
▾1.11
10.0/10
16:30
Finished
1630
G. I. Justo
(1)
H. Casanova
2
1
▴1.64
▾2.22
1
▴1.64
6364
1
▴1.64
1.7/10
Record by surface
Hard
0-1
Clay
39-25
Overall
39-26
Our AI on this player
46 correct of 61
From the matches in our database
About Guido Ivan Justo
Guido Ivan Justo is a 28-year-old right-handed professional tennis player, currently ranked world No. 233. That is below a career-high of world No. 223. Over the last 52 weeks the serve has landed 64.8% of first deliveries, winning 64.4% of those points. Breaking is the real weapon here: 34.5% of break chances get taken. The best surface is comfortably clay: 39-25 there, against 0-1 on everything else.
Results keep swinging: 2 up and 3 down across the last 5. The longest match we have on record ran to 32 games, against L. Neumayer. More of the matches we cover came at Challenger Asuncion 2 Paraguay than anywhere else — 4 of them. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at Challenger Curitiba Brazil.
Serve & Return
First Serve %
66.1%
1st Serve Won
64.7%
2nd Serve Won
47%
Aces / Match
2.2
Double Faults / Match
1.6
Break Pts Saved
54.9%
Break Pts Converted
28.7%
Return Pts Won
41.1%
Service Hold %
58.7%
Total Pts Won
49.9%
Records
Last 12 months
1
Titles
2
Finals
6
Semis or better
31
Events played
Tournament Results
Tigre, Argentina
Challenger
Winner
Bucaramanga, Colombia Men Singles
Challenger
Final
Asuncion 2, Paraguay
Challenger
Semi-Finals
Brasov, Romania
Challenger
Semi-Finals
Cordoba, Argentina
Challenger
Semi-Finals
San Miguel de Tucuman, Argentina
Challenger
Semi-Finals
Buenos Aires, Argentina
Challenger
Quarter-Finals
Campinas, Brazil
Challenger
Quarter-Finals
Concepcion, Chile
Challenger
Quarter-Finals
Florianopolis, Brazil
Challenger
Quarter-Finals
Cordenons, Italy
Challenger
Round of 16
Liberec, Czech Republic
Challenger
Round of 16
Santa Cruz, Bolivia
Challenger
Round of 16
Cervia, Italy
Challenger
Round of 16
Itajai, Brazil Men Singles
Challenger
Round of 16
Santos, Brazil
Challenger
Round of 16
Tampere, Finland
Challenger
Round of 16
Tigre 2, Argentina
Challenger
Round of 16
Trieste, Italy
Challenger
Round of 16
Rosario, Argentina
Challenger
Round of 32
Buenos Aires, Argentina
Challenger
Round of 32
Montevideo, Uruguay
Challenger
Round of 32
Asuncion, Paraguay
Challenger
Round of 32
Cali, Colombia
Challenger
Round of 32
Kosice, Slovakia Men Singles
Challenger
Round of 32
Lima 2, Peru
Challenger
Round of 32
Santiago, Chile
Challenger
Round of 32
Sao Leopoldo, Brazil Men Singles
Challenger
Round of 32
Lima 3, Peru
Challenger
Qualifying
US Open, Men
ATP
Qualifying
Antofagasta, Chile
Challenger
Qualifying
Deepest runs first, not by date
Season by season
2026so far
32–21
Won-lost
53
Matches
3–7
Tiebreaks
1.2
Aces / Match
1.2
Double Faults / Match
First Serve %
67%
1st Serve Won
64.7%
2nd Serve Won
52.1%
Break points won
46.3%
Break Pts Saved
58%
2025
16–15
Won-lost
31
Matches
12–4
Tiebreaks
1.6
Aces / Match
2.6
Double Faults / Match
First Serve %
64.5%
1st Serve Won
62.5%
2nd Serve Won
47.9%
Break points won
43.3%
Break Pts Saved
55.8%
2024
16–14
Won-lost
30
Matches
1–3
Tiebreaks
1.3
Aces / Match
2.5
Double Faults / Match
First Serve %
63.9%
1st Serve Won
62.5%
2nd Serve Won
47%
Break points won
43.5%
Break Pts Saved
56.5%
Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.
Frequently Asked Questions
How accurate are the AI predictions for Guido Ivan Justo?
+
Our model has graded 61 matches involving Guido Ivan Justo and got 46 right — a hit rate of 75.4%. The 21 most recent are listed below, each with the pick we made and how it finished.
Who has Guido Ivan Justo played most often?
+
Of the matches we cover, Guido Ivan Justo has met Luciano Emanuel Ambrogi most often — 4 times, with a 3-1 record.