Head to head
Rivalry summary
Glenn Layendecker and Leif Shiras met 2 times on the ATP tour between 1989 and 1989. Their head-to-head is level at 1–1.
0
Hard
1
1
Grass
0
Glenn Layendecker's wins on the left · Leif Shiras's on the right · bar lengths share one scale
All meetings (2)
| 1989 | Queen's Club | Grass | R64 | Glenn Layendecker | 3-6 6-3 8-6 |
| 1989 | Seoul | Hard | R32 | Leif Shiras | 7-6 3-6 6-1 |
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.