ATP Tour
Guido Ivan Justo
Won Curitiba ChallengerBeat 3 favorites#188
ATP World Ranking - 307 pts
Player Archetype
⚔️ The Gladiator
A fierce competitor who thrives in physical battles and tight sets. Combines solid serve and return with an unyielding fighting spirit that makes every match a war of attrition.
Physical intensityBalanced gameStrong in deciding setsCompetitive fighter
Strong against
🛡️ The Spoiler60%
🧱 The Wall52%
Weak against
🏹 Frontrunner37%
🤖 Servebot42%
Player Overview
Age
28
Height
5'10" (178 cm)
Weight
78 kg (172 lbs)
Plays
Right-Handed, Two-Handed BH
Career-High Ranking
#188 (2026-10-05)
Career
103
Wins
68
Losses
60.2%
Win %
0
Titles
Win / Loss by Year
Career record broken down by surface
| Year | Summary | Clay | Hard | Grass |
|---|---|---|---|---|
| 2026 | 54/32 | 53/29 | 0/1 | - |
| 2025 | 39/21 | 38/20 | 1/1 | - |
| 2024 | 15/12 | 15/12 | - | - |
| 2023 | 6/4 | 6/4 | - | - |
| 2022 | 1/2 | 1/2 | - | - |
| 2021 | 1/4 | 1/3 | 0/1 | - |
| Career | 116/75 | 114/70 | 1/3 | - |
Serve & Return
Averages · Last 90 days (14 matches)
Serve
1st Serve In-
1st Serve Pts Won-
2nd Serve Pts Won-
Break Points Saved-
Aces / Match1.6
Double Faults / Match2.1
Avg 1st Serve117 mph
Max Serve Speed127 mph
Return
1st Return Pts Won-
2nd Return Pts Won-
Break Points Converted-
Rally
Winners / Match14.0
Unforced Errors / Match19.0
Net Pts Won %-
Total Pts Won %-
Prop Research
Career hit rates on common betting markets · 184 serve-stat matches
Guido Ivan Justo has served 3+ aces in 21.7% of career matches and 5+ aces in 4.3%.
Ace Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 64% | 118/184 |
| 3 or more | 22% | 40/184 |
| 5 or more | 4% | 8/184 |
| 10 or more | 0% | 0/184 |
| 15 or more | 0% | 0/184 |
| 20 or more | 0% | 0/184 |
Double Fault Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 76% | 140/184 |
| 2 or more | 50% | 91/184 |
| 3 or more | 32% | 59/184 |
| 5 or more | 10% | 18/184 |
| 8 or more | 1% | 2/184 |
| 10 or more | 0% | 0/184 |
Total Sets
| Outcome | Hit rate | Matches |
|---|---|---|
| 2 Sets | 72% | 133/186 |
| 3 Sets | 29% | 53/186 |
Set Betting
| Outcome | Hit rate | Matches |
|---|---|---|
| 2-0 | 46% | 86/186 |
| 2-1 | 15% | 27/186 |
| 1-2 | 14% | 26/186 |
| 0-2 | 25% | 47/186 |
Match/Set Winner
| Outcome | Hit rate | Matches |
|---|---|---|
| 1st Set Winner | 58% | 107/186 |
| 2nd Set Winner | 63% | 118/186 |
| 3rd Set Winner | 51% | 27/53 |
Recent Matches
Last 10 results
FormLWWWW
| Date | Tournament | Round | Opponent | Surface | Score | Result |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | Antofagasta Challenger | 2nd Round | Joao Lucas Reis Da Silva | Clay | L | |
| Oct 6, 2026 | Antofagasta Challenger | 1st Round | Francisco Comesana | Clay | 67 76 61 | W |
| Oct 4, 2026 | Curitiba Challenger | Final | Gustavo Heide | Clay | 61 64 | W |
| Oct 3, 2026 | Curitiba Challenger | Semifinals | Tomas Barrios Vera | Clay | 46 64 63 | W |
| Oct 2, 2026 | Curitiba Challenger | Quarterfinals | Gonzalo Villanueva | Clay | 62 64 | W |
| Oct 1, 2026 | Curitiba Challenger | 2nd Round | Pedro Sakamoto | Clay | 62 64 | W |
| Sep 30, 2026 | Curitiba Challenger | 1st Round | Franco Roncadelli | Clay | 76 62 | W |
| Sep 23, 2026 | Buenos Aires Challenger | 2nd Round | Facundo Mena | Clay | 46 67 | L |
| Sep 21, 2026 | Buenos Aires Challenger | 1st Round | Gonzalo Villanueva | Clay | 64 36 61 | W |
| Aug 25, 2026 | U.S. Open - New York | 1st Round Qualifying | Hugo Gaston | Hard | 57 36 | L |
Rivalries
Most-played opponents, head-to-head
Guido Ivan Justo FAQ
Guido Ivan Justo is ranked #188 on the ATP tour with 307 ranking points. The career-high ranking is #188, reached in 2026.
Guido Ivan Justo is from Argentina.
Guido Ivan Justo is listed at 5'10" (178 cm). Listed weight is 78 kg (172 lb).
Guido Ivan Justo is 28 years old.
Guido Ivan Justo plays right-handed with a two-handed backhand.
Guido Ivan Justo has a career win-loss record of 103-68 (60% win rate).
Guido Ivan Justo: a career-high ranking of #188 in 2026 and 103 career wins.
Guido Ivan Justo's strongest surface by win rate is clay, with a 114-70 record (62%). Full career splits: hard 1-3 (25%) and clay 114-70 (62%).
Guido Ivan Justo has won 7 of the last 10 completed matches (70%).
Guido Ivan Justo's most-played opponents are Gonzalo Villanueva (6 meetings, 6-0), Juan Bautista Torres (5 meetings, 3-2), and Luciano Emanuel Ambrogi (4 meetings, 3-1).