Sioux Falls
Qualifying
| Chan | 6 | 5 | |
|---|---|---|---|
| Willwerth | 7 | 7 | ✓ |
ATP head-to-head · 1 meeting
Benjamin Willwerth leads Duncan Chan 1–0 in their head-to-head (1 meeting). They last met at Sioux Falls (Qualifying) on 26 Oct 2026, where Benjamin Willwerth won.
Qualifying
| Chan | 6 | 5 | |
|---|---|---|---|
| Willwerth | 7 | 7 | ✓ |