Marcus Willis defeated Ashley Hewitt 2-6 7-6 6-3 in the Great Britain F6 round of 32 on clay. The upset overturned the form book — Ashley Hewitt came in leading the head-to-head 2–1. Marcus Willis narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-29 | Great Britain F15 | QF | hard | Ashley Hewitt | 6-3 6-4 |
| 2011-09-05 | Great Britain F14 | R32 | hard | Ashley Hewitt | 7-6(6) 6-4 |
| 2010-04-26 | Great Britain F5 | R32 | clay | Marcus Willis | 6-3 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.