Thiemo Maier defeated Glenn Knox 4-6 7-6 6-2 in the Egypt F2 round of 32 on clay. The upset overturned the form book — Glenn Knox came in leading the head-to-head 1–0. Thiemo Maier claimed a first win over Glenn Knox in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-11-22 | Australia F4 | R16 | grass | Glenn Knox | 4-6 6-4 6-4 |