Marcus Willis defeated Ashley Hewitt 6-3 7-6 in the Great Britain F5 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 |
| 2012-04-23 | Great Britain F6 | R32 | clay | Marcus Willis | 2-6 7-6(4) 6-3 |
| 2011-09-05 | Great Britain F14 | R32 | hard | Ashley Hewitt | 7-6(6) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.