Marcus Daniell defeated Matthew Illingworth 7-5 7-5 in the Great Britain F11 round of 16 on grass. The upset overturned the form book — Matthew Illingworth came in leading the head-to-head 1–0. Marcus Daniell claimed a first win over Matthew Illingworth in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-14 | Great Britain F14 | R32 | hard | Matthew Illingworth | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.