6 years 24 slams each
Sampras (1993-1998) age 22 through 27
Australian
3rd Round - 1
QF - 1
SF - 1
F - 1
W - 2
French
1R - 1
2R - 1
3R - 1
QF - 2
SF - 1
Wimbledon
QF - 1
W - 5
US Open
4R - 2
SF - 1
W - 3
Federer (2004-2009) age 23 - 28
Australian
SF - 2
F - 1
W - 3
French
3R - 1
SF - 1
F - 3
W - 1
Wimbledon
F - 1
W - 5
USOpen
F - 1
W - 5
Nadal (2006-2011) age 19-25
Australian Open:
Missed – 1
QF – 3
SF – 1
W – 1
French Open
4R – 1
W – 5
Wimbledon
Missed – 1
F – 3
W – 2
US Open
4R – 1
QF – 1
SF – 2
F – 1
W - 1
Sampras (1993-1998) age 22 through 27
Australian
3rd Round - 1
QF - 1
SF - 1
F - 1
W - 2
French
1R - 1
2R - 1
3R - 1
QF - 2
SF - 1
Wimbledon
QF - 1
W - 5
US Open
4R - 2
SF - 1
W - 3
Federer (2004-2009) age 23 - 28
Australian
SF - 2
F - 1
W - 3
French
3R - 1
SF - 1
F - 3
W - 1
Wimbledon
F - 1
W - 5
USOpen
F - 1
W - 5
Nadal (2006-2011) age 19-25
Australian Open:
Missed – 1
QF – 3
SF – 1
W – 1
French Open
4R – 1
W – 5
Wimbledon
Missed – 1
F – 3
W – 2
US Open
4R – 1
QF – 1
SF – 2
F – 1
W - 1