Tom Spinks defeated Andrew Foster 6-3 6-4 in the Portugal 4 Masters 4 round of 32 on clay. The upset overturned the form book — Andrew Foster came in leading the head-to-head 4–0. Tom Spinks claimed a first win over Andrew Foster in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-15 | Great Britain 4 Masters 4 | R16 | hard | Andrew Foster | 6-7 6-3 6-4 |
| 1996-09-16 | Great Britain 4 Masters 1 | R32 | hard | Andrew Foster | 7-6 6-4 |
| 1996-07-28 | Great Britain 3 Masters 1 | F | grass | Andrew Foster | 7-6 6-4 |
| 1994-08-28 | Great Britain 3 Masters 1 | R16 | grass | Andrew Foster | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.