Marcus Willis defeated Sean Thornley 7-6 6-3 in the Great Britain F13 round of 16 on hard. The result followed the form book — Marcus Willis came in leading the head-to-head 1–0. Marcus Willis extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-09 | Great Britain F10 | R32 | grass | Marcus Willis | 1-6 7-6(5) 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.