David Thurner defeated Christoph Negritu 6-2 6-2 in the Germany F17 qualifying round on carpet. The result followed the form book — David Thurner came in leading the head-to-head 2–0. David Thurner extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-04 | Switzerland F1 | Q32 | carpet | David Thurner | 6-4 6-4 |
| 2011-09-26 | Germany F15 | R32 | carpet | David Thurner | 7-6(2) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.