Country
|
Answer
|
Career High Rank
|
Top 10 Debut Date
|
SUI
|
Roger Federer
|
#1
|
May 20, 2002
|
ESP
|
Rafael Nadal
|
#1
|
April 24, 2005
|
SRB
|
Novak Djokovic
|
#1
|
March 19, 2007
|
GBR
|
Andy Murray
|
#1
|
April 16, 2007
|
RUS
|
Daniil Medevdev
|
#1
|
July 15, 2019
|
SUI
|
Stan Wawrinka
|
#3
|
May 12, 2008
|
ARG
|
Juan Martín del Potro
|
#3
|
October 6, 2008
|
CRO
|
Marin Čilić
|
#3
|
February 1, 2010
|
CAN
|
Milos Raonic
|
#3
|
August 12, 2013
|
BUL
|
Grigor Dimitrov
|
#3
|
July 7, 2014
|
AUT
|
Dominic Thiem
|
#3
|
June 6, 2016
|
GER
|
Alexander Zverev
|
#3
|
May 22, 2017
|
GRE
|
Stefanos Tsitsipas
|
#3
|
March 4, 2019
|
JPN
|
Kei Nishikori
|
#4
|
May 12, 2014
|
ESP
|
Tommy Robredo
|
#5
|
May 8, 2006
|
FRA
|
Jo-Wilfried Tsonga
|
#5
|
November 3, 2008
|
RSA
|
Kevin Anderson
|
#5
|
October 12, 2015
|
RUS
|
Andrey Rublev
|
#5
|
October 12, 2020
|
FRA
|
Gilles Simon
|
#6
|
October 20, 2008
|
|
Country
|
Answer
|
Career High Rank
|
Top 10 Debut Date
|
FRA
|
Gaël Monfils
|
#6
|
February 23, 2009
|
ITA
|
Matteo Berrettini
|
#6
|
October 28, 2019
|
FRA
|
Richard Gasquet
|
#7
|
July 9, 2007
|
ESP
|
Fernando Verdasco
|
#7
|
February 2, 2009
|
BEL
|
David Goffin
|
#7
|
February 20, 2017
|
USA
|
John Isner
|
#8
|
March 19, 2012
|
USA
|
Jack Sock
|
#8
|
November 13, 2017
|
RUS
|
Karen Khachanov
|
#8
|
June 10, 2019
|
ARG
|
Diego Schwartzman
|
#8
|
October 12, 2020
|
NOR
|
Casper Ruud
|
#8
|
September 13, 2021
|
ITA
|
Fabio Fognini
|
#9
|
June 10, 2019
|
ESP
|
Roberto Bautista Agut
|
#9
|
August 19, 2019
|
ITA
|
Jannik Sinner
|
#9
|
November 1, 2021
|
CAN
|
Félix Auger-Aliassime
|
#9
|
November 15, 2021
|
LAT
|
Ernests Gulbis
|
#10
|
June 9, 2014
|
ESP
|
Pablo Carreño Busta
|
#10
|
September 11, 2017
|
FRA
|
Lucas Pouille
|
#10
|
March 19, 2018
|
CAN
|
Denis Shapovalov
|
#10
|
September 21, 2020
|
POL
|
Hubert Hurkacz
|
#10
|
October 18, 2021
|
|