Nir Welgreen defeated Noam Okun 6-3 6-0 in the Israel 1 Masters 2 round of 32 on hard. The upset overturned the form book — Noam Okun came in leading the head-to-head 4–2. Nir Welgreen narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-27 | USA 1 Masters 1 | R32 | hard | Noam Okun | 1-6 6-4 6-1 |
| 1997-11-01 | Israel 2 Masters 1 | R32 | hard | Noam Okun | 7-5 6-3 |
| 1996-07-08 | China Masters 1 | QF | hard | Noam Okun | 6-1 6-1 |
| 1996-07-08 | China Masters 3 | SF | hard | Nir Welgreen | 6-2 6-1 |
| 1996-06-01 | Turkey 1 Masters 1 | F | hard | Nir Welgreen | 6-2 6-2 |
| 1995-02-25 | Israel 1 Masters 2 | R32 | hard | Noam Okun | 7-6 6-2 |
Averages over each player's completed matches in the selected window (4 vs 63). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About