| Nadal | 0 - 1 | ||||
| 2006 | US Open | 1 | hardcourt | L | 4-6, 4-6, 4-6 |
| Nalbandian | 2 - 2 | ||||
| 2006 | Davis Cup Semifinals | RR-1 | clay | L | 4-6, 3-6, 3-6 |
| 2003 | US Open | 3 | hardcourt | L | 5-7, 7-6 (12-10), 3-6, 2-6 |
| 2003 | Boodle & Dunthorne | S | grass | W | 6-3, 6-4 |
| 2003 | Scottsdale | Q | hardcourt | W | 0-6, 6-3, 6-4 |
| Nestor | 0 - 2 | ||||
| 1999 | Kroger St Jude | 3 | hardcourt | L | 6-1, 3-6, 6-7 (10-12) |
| 1996 | Rosemalen | 1 | surface | L | 4-6, 6-7 (7-9) |
| Nielson | - | ||||
| junior | 0 - 2 | ||||
| 1993 | Indonesia Astra Intl Junior Champs | Q | hardcourt | W | 4-6, 6-0, 3-6 |
| 1993 | Taipei Intl Junior Champs | Q | hardcourt | L | 6-4, 3-6, 1-6 |
| Nieminen | 0 - 1 | ||||
| 2006 | Nasdaq 100 - Miami | 2 | hardcourt | L | 4-6, 6-7 (3-7) |
| Norman | 1 - 1 | ||||
| 2003 | Davis Cup | 2 | hardcourt | W | 7-5, 5-7, 6-3 |
| 1997 | Memphis | 1 | hardcourt | L | 4-6, 5-7 |
| Noszaly | 1 - 0 | ||||
| 1995 | Davis Cup | RR | Clay | W | 6-1, 6-2, 6-3 |
| Novak | 2 - 1 | ||||
| 2003 | Heineken Open | F | hardcourt | W | 6-2, 6-1 |
| 2002 | Rome | 2 | clay | L | 4-6, 2-6 |
| 1996 | Memphis | Q | hardcourt | W | 6-3, 6-1 |