Marcus Willis advanced when Jonny Omara retired 1-1 in the Great Britain F19 round of 32. Marcus Willis extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Great Britain F13 | QF | grass | Jonny Omara | 0-6 6-4 6-3 |
| 2013-05-06 | Great Britain F11 | R16 | clay | Marcus Willis | 5-7 7-5 6-3 |
Averages over each player's completed matches in the selected window (33 vs 12). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About