Meghann Shaughnessy defeated Venus Williams 2-6 7-5 7-6 in the Stanford quarter-final on hard. The upset overturned the form book — Venus Williams came in leading the head-to-head 5–1, defending the title, but Meghann Shaughnessy had been the form player, winning 1 of their last 8 on hard. Meghann Shaughnessy narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-03-19 | Miami | R16 | hard | Meghann Shaughnessy | 7-6(2) 6-1 |
| 2002-08-19 | New Haven | R16 | hard | Venus Williams | 6-2 6-4 |
| 2002-07-22 | Stanford | R16 | hard | Venus Williams | 6-4 6-1 |
| 2001-04-30 | Hamburg | F | clay | Venus Williams | 6-3 6-0 |
| 2001-01-15 | Australian Open | R64 | hard | Venus Williams | 6-3 7-6(3) |
| 2000-08-22 | US Open | R32 | hard | Venus Williams | 7-6 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (94 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About