Ian Flanagan defeated David Klier 6-4 7-6 in the Great Britain F15 round of 16 on hard. The upset overturned the form book — David Klier came in leading the head-to-head 1–0. Ian Flanagan claimed a first win over David Klier in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-18 | Great Britain F13 | R32 | hard | David Klier | 6-2 6-3 |