Youngest player in Grand Slam on Hard in Semifinals
Youngest player in Grand Slam on Hard in Semifinals
| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 18y 122d | US Open 1988 | |
| 2 | 18y 277d | US Open 1986 | |
| 3 | 19y 13d | US Open 1983 | |
| 4 | 19y 15d | US Open 1990 | |
| 5 | 19y 93d | US Open 1984 | |
| 6 | 19y 116d | US Open 2022 | |
| 7 | 19y 121d | US Open 1989 | |
| 8 | 19y 185d | US Open 2000 | |
| 9 | 19y 194d | US Open 1978 | |
| 10 | 20y 37d | Australian Open 1992 |