Which player has gone further in a Grand Slam tournament playing since the qualy?

[Vegito]

I need that information. Anyone know?

Greetings!:)

[Vegito]

Forgot it! I found the information:

Bob Giltinan: Semifinals "Australian Open-2" 1977
John McEnroe: Semifinals Wimbledon 1977
Filip Dewulf: Semifinals Roland Garros 1997