Gonzalo Bueno leads 2 to 1 over 3 singles meetings since 2025. Last meeting on 21/02/2026 at Tigre 1 Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 21/02/2026 | Tigre 1 Challenger | Semi-final | clay | Justo | 4-6 6-2 6-2 |
| 22/01/2026 | Itajai Challenger | Round 2 | clay | Bueno | 3-6 6-0 2-6 |
| 23/06/2025 | Lima 1 Challenger | Round 1 | clay | Bueno | 6-0 6-4 |
| clay | Justo 1 - 2 Bueno |
| 2026 | Justo 1 - 1 Bueno |
| 2025 | Justo 0 - 1 Bueno |
166 wins, 99 losses since 2021 (62.6%).
Last matches: D D V D V
169 wins, 135 losses since 2021 (55.6%).
Last matches: D V D D V
Gonzalo Bueno leads 2 to 1 over 3 singles meetings since 2025.
On 21/02/2026, at Tigre 1 Challenger (Semi-final): Guido Ivan Justo won 4-6 6-2 6-2.