Simon Anthony Ivanov defeated Robert Strombachs 6-3 6-4 in the M15 Setubal 1 round of 16 on hard. The upset overturned the form book — Robert Strombachs came in leading the head-to-head 1–0. Simon Anthony Ivanov claimed a first win over Robert Strombachs in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-07-03 | M15 Idanha-A-Nova 1 | R32 | hard | Robert Strombachs | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.