Mariano Kestelboim leads 2 to 1 over 3 singles meetings since 2023. Last meeting on 21/09/2026 at Buenos Aires Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 21/09/2026 | Buenos Aires Challenger | Qualifying 1 | clay | Tenti | 7-6 0-0 |
| 24/04/2025 | San Miguel de Tucuman Challenger | Round 2 | clay | Kestelboim | 5-7 3-6 |
| 28/09/2023 | M25 Lujan | Round 2 | clay | Kestelboim | 6-2 4-6 3-6 |
| clay | Kestelboim 2 - 1 Tenti |
| 2026 | Kestelboim 0 - 1 Tenti |
| 2025 | Kestelboim 1 - 0 Tenti |
| 2023 | Kestelboim 1 - 0 Tenti |
119 wins, 101 losses since 2021 (54.1%).
Last matches: D D D D V
128 wins, 148 losses since 2021 (46.4%).
Last matches: D D V V D
Mariano Kestelboim leads 2 to 1 over 3 singles meetings since 2023.
On 21/09/2026, at Buenos Aires Challenger (Qualifying 1): Fermin Tenti won 7-6 0-0.