Tristan Mccormick leads 2 to 1 over 3 singles meetings since 2024. Last meeting on 16/10/2026 at M15 Quito.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 16/10/2026 | M15 Quito | Quarter-final | clay | Osorio | 6-3 7-5 |
| 14/04/2025 | San Luis Potosi Challenger | Qualifiers | clay | Mccormick | 3-6 6-1 6-3 |
| 05/08/2024 | Bogota Challenger | Qualifiers | clay | Mccormick | 6-7(6) 6-2 7-5 |
| clay | Mccormick 2 - 1 Osorio |
| 2026 | Mccormick 0 - 1 Osorio |
| 2025 | Mccormick 1 - 0 Osorio |
| 2024 | Mccormick 1 - 0 Osorio |
155 wins, 128 losses since 2021 (54.8%).
Last matches: D D D V D
117 wins, 110 losses since 2021 (51.5%).
Last matches: D V V V V
Tristan Mccormick leads 2 to 1 over 3 singles meetings since 2024.
On 16/10/2026, at M15 Quito (Quarter-final): Juan Sebastian Osorio won 6-3 7-5.