Kei Nishikori career statistics

This is a list of the main career statistics of Japanese professional tennis player, Kei Nishikori. To date, Nishikori has won 12 ATP singles titles including a record four consecutive titles at the Memphis Open. Other highlights of Nishikori's career thus far include reaching the finals of the 2014 Mutua Madrid Open, 2016 Miami Open, 2016 Rogers Cup and 2014 US Open, semifinal appearances at the 2014 ATP World Tour Finals and 2016 US Open, in addition to quarterfinal finishes at the 2012 Australian Open, 2015 Australian Open, 2016 Australian Open and 2015 French Open. Nishikori achieved a career high singles ranking of world No. 4 on March 2, 2015.
Singles performance timeline.
<section begin=singles-perf />
"Current through the 2021 Rome Masters."
<section end=singles-perf />
Record against top-10 players.
Nishikori's match record against players who have been ranked in the top 10, with those who are active in boldface. Only ATP Tour main draw matches are considered.