Juan Pablo Varillas leads 6 to 4 over 10 singles meetings since 2021. Last meeting on 16/01/2026 at Buenos Aires Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 16/01/2026 | Buenos Aires Challenger | Semi-final | clay | Collarini | 1-6 6-2 6-4 |
| 14/04/2025 | Tallahassee Challenger | Round 1 | clay | Collarini | 3-6 7-5 4-6 |
| 07/10/2024 | Villa Maria Challenger | Round 1 | clay | Collarini | 6-2 5-7 3-6 |
| 04/07/2024 | Modena Challenger | Quarter-final | clay | Collarini | 4-6 6-4 2-2 |
| 23/01/2023 | Concepcion Challenger | Round 1 | clay | Varillas | 6-3 2-6 2-6 |
| 10/10/2022 | Rio De Janeiro Challenger | Round 1 | clay | Varillas | 6-4 6-7(5) 1-4 |
| 17/03/2022 | Concepcion 2 Challenger | Round 2 | clay | Varillas | 4-6 2-6 |
| 28/10/2021 | Lima 2 Challenger | Round 2 | clay | Varillas | 6-2 6-1 |
| 15/06/2021 | Aix En Provence Challenger | Round 1 | clay | Varillas | 6-4 6-4 |
| 19/04/2021 | Rome 1 Challenger | Round 1 | clay | Varillas | 2-6 6-3 2-6 |
| clay | Collarini 4 - 6 Varillas |
| 2026 | Collarini 1 - 0 Varillas |
| 2025 | Collarini 1 - 0 Varillas |
| 2024 | Collarini 2 - 0 Varillas |
| 2023 | Collarini 0 - 1 Varillas |
| 2022 | Collarini 0 - 2 Varillas |
| 2021 | Collarini 0 - 3 Varillas |
168 wins, 165 losses since 2021 (50.5%).
Last matches: D V D D V
213 wins, 139 losses since 2021 (60.5%).
Last matches: V V V V D
Juan Pablo Varillas leads 6 to 4 over 10 singles meetings since 2021.
On 16/01/2026, at Buenos Aires Challenger (Semi-final): Andrea Collarini won 1-6 6-2 6-4.