Mary Pierce defeated Venus Williams 6-4 6-4 in the Olympics round of 16 on hard. The upset overturned the form book — Venus Williams came in leading the head-to-head 6–2, but Mary Pierce had been the form player, winning 3 of their last 8 on hard. Mary Pierce narrowed the head-to-head to 6–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-20 | Wimbledon | QF | grass | Venus Williams | 6-0 7-6 |
| 2004-05-24 | Roland Garros | R32 | clay | Venus Williams | 6-3 6-1 |
| 1999-10-11 | Zurich | SF | hard | Venus Williams | 6-4 6-4 |
| 1999-05-03 | Rome | F | clay | Venus Williams | 6-4 6-2 |
| 1998-10-20 | Kremlin Cup | SF | carpet | Mary Pierce | 2-6 6-2 6-0 |
| 1998-10-12 | Zurich | QF | hard | Venus Williams | 6-4 6-1 |
| 1998-08-31 | US Open | R16 | hard | Venus Williams | 6-1 7-6 |
| 1998-08-03 | San Diego | QF | hard | Mary Pierce | 2-6 7-6 4-0 |
Averages over each player's completed matches in the selected window (52 vs 199). ATP, WTA & Challenger.
Williams V.: 5 days rest · 1 match, 16 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About