Guido Ivan Justo leads 4 to 0 over 4 singles meetings since 2023. Last meeting on 24/02/2026 at Tigre 2 Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 24/02/2026 | Tigre 2 Challenger | Round 1 | clay | Justo | 5-7 5-5 |
| 28/04/2025 | Porto Alegre Challenger | Round 1 | clay | Justo | 7-6(6) 6-5 |
| 03/02/2025 | Rosario Challenger | Qualifiers | clay | Justo | 4-6 4-6 |
| 18/04/2023 | Florianopolis Challenger | Round 1 | clay | Justo | 3-6 7-6(2) 2-4 |
| clay | Villanueva 0 - 4 Justo |
| 2026 | Villanueva 0 - 1 Justo |
| 2025 | Villanueva 0 - 2 Justo |
| 2023 | Villanueva 0 - 1 Justo |
222 wins, 185 losses since 2021 (54.5%).
Last matches: D V V V D
166 wins, 99 losses since 2021 (62.6%).
Last matches: D D V D V
Guido Ivan Justo leads 4 to 0 over 4 singles meetings since 2023.
On 24/02/2026, at Tigre 2 Challenger (Round 1): Guido Ivan Justo won 5-7 5-5.