Robin Lang defeated Patrick Mayer (GER) 6-4 6-3 in the Portugal F13 qualifying round of 64 on clay. The result followed the form book — Robin Lang came in leading the head-to-head 1–0. Robin Lang extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-01-21 | M25 Nussloch 1 | Q32 | carpet | Robin Lang | 5-7 7-5 10-7 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.