Pete Sampras defeated Ivan Lendl 7-6 6-2 7-6 in the Australian Open round of 16 on hard. The upset overturned the form book — Ivan Lendl came in leading the head-to-head 3–1, defending last year's round of 128, but Pete Sampras had been the form player, winning 7 of their last 7 on hard. Pete Sampras narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-02-15 | Philadelphia | SF | hard | Ivan Lendl | 7-6(4) 6-4 |
| 1991-02-11 | Philadelphia | F | hard | Ivan Lendl | 5-7 6-4 6-4 3-6 6-3 |
| 1990-08-27 | US Open | QF | hard | Pete Sampras | 6-4 7-6 3-6 4-6 6-2 |
| 1990-02-05 | Milan | SF | carpet | Ivan Lendl | 3-6 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.