Steven Diez defeated Oscar Otte 6-4 6-4 in the Hamburg qualifying round 1 on clay. Steven Diez extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-12 | Hamburg | Q1 | clay | Steven Diez | 6-4 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (184 vs 163). ATP, WTA & Challenger.