Head to head
1
Hard
9
0
Clay
1
Hyung-Taik Lee's wins on the left · Andy Roddick's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 2007 | Washington | Hard | QF | Andy Roddick | 7-6(6) 6-2 |
| 2007 | Indianapolis | Hard | QF | Andy Roddick | 6-3 6-7(7) 6-1 |
| 2005 | Memphis | Hard | R32 | Andy Roddick | 6-3 6-4 |
| 2005 | San Jose | Hard | R16 | Andy Roddick | 6-3 3-6 6-2 |
| 2003 | Memphis | Hard | R16 | Andy Roddick | 5-7 6-4 7-6(3) |
| 2003 | Sydney | Hard | R16 | Hyung-Taik Lee | 7-6(5) 7-5 |
| 2002 | Los Angeles | Hard | R32 | Andy Roddick | 6-7(5) 6-1 6-2 |
| 2002 | Delray Beach | Hard | R16 | Andy Roddick | 7-5 6-2 |
| 2002 | Sydney | Hard | QF | Andy Roddick | 6-7(3) 6-3 7-5 |
| 2001 | Canada Masters | Hard | R64 | Andy Roddick | 6-3 6-2 |
| 2001 | Houston | Clay | F | Andy Roddick | 7-5 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.