Robert Strombachs defeated Giorgio Ricca 7-6 7-6 in the M15 Monastir 3 round of 32 on hard. The upset overturned the form book — Giorgio Ricca came in leading the head-to-head 1–0, but Robert Strombachs had been the form player, winning 4 of their last 5 on hard. Robert Strombachs claimed a first win over Giorgio Ricca in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-09 | M15 Gaiba 1 | R32 | grass | Giorgio Ricca | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.