Kei Nishikori

Top seed beats former world number four 6-4, 6-2; will face eighth seed Wolff next

Japanese player beats South African Lloyd Harris 6-3, 7-5 at Citi Open

Japan's tennis star defeated American Sam Querrey 6-4, 6-3 on Monday to advance at the ATP Citi Open

Four-time GS winner joined fellow Japanese Nishikori in raising concerns, with Tokyo under a Covid state of emergency

Japan has extended a state of emergency in Tokyo and three other areas until the end of May

Japanese tennis star feels he’s in second stage of career after injury-ravaged years

He was the first man from Asia to reach a Grand Slam final when he made it to the 2014 US Open title clash

Australian second seed overcame a horrible start to oust 80th-ranked Zarina Diyas of Kazakhstan 1-6, 6-3, 6-2

Eighth-seeded Japanese won just five games against Rafael Nadal in their Roland Garros quarter-final last month

The two close friends have won 2008 Olympic gold and 2014 Davis Cup gold together

The 6-7 (8/10), 4-6, 7-6 (7/4), 6-4, 7-6 (10/8) win over the 23rd seeded Spaniard took a draining 5hr 5min

Japanese star beats Russia's Medvedev 6-4, 3-6, 6-2 in final

American beats Nishikori; Swiss legend receives walkover after ailing Kyrgios withdraws

Australian power-hitter fires 25 aces to claim the title

Japanese star clinches a dramatic 1-6, 6-4, 4-6, 6-1, 7-5 comeback triumph in a shade under four hours

Japanese will meet ninth seed Cilic who beat him in 2014 US Open final