Mariano Kestelboim defeated Samm Butler 6-3 6-1 in the Tunisia F8 round of 16 on hard. The result followed the form book — Mariano Kestelboim came in leading the head-to-head 1–0. Mariano Kestelboim extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-19 | Tunisia F7 | R32 | hard | Mariano Kestelboim | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.