![L to R) Kei Nishikori (JPN), Daniil Medvedev (RUS), OCTOBER 7, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles Final at Tokyo, Japan. (Photo by Naoki Morita/AFLO SPORT Stock Photo - Alamy L to R) Kei Nishikori (JPN), Daniil Medvedev (RUS), OCTOBER 7, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles Final at Tokyo, Japan. (Photo by Naoki Morita/AFLO SPORT Stock Photo - Alamy](https://c8.alamy.com/comp/PT7D4E/l-to-r-kei-nishikori-jpn-daniil-medvedev-rus-october-7-2018-tennis-rakuten-japan-open-tennis-championships-2018-mens-singles-final-at-tokyo-japan-photo-by-naoki-moritaaflo-sport-PT7D4E.jpg)
L to R) Kei Nishikori (JPN), Daniil Medvedev (RUS), OCTOBER 7, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles Final at Tokyo, Japan. (Photo by Naoki Morita/AFLO SPORT Stock Photo - Alamy
![Tokyo, Japan. 22nd Sep, 2018. US Open champion Naomi Osaka of Japan returns the ball against Camila Giorgi of Italy during the semi final of the Toray Pan Pacific Open tennis tournament Tokyo, Japan. 22nd Sep, 2018. US Open champion Naomi Osaka of Japan returns the ball against Camila Giorgi of Italy during the semi final of the Toray Pan Pacific Open tennis tournament](https://c8.alamy.com/comp/PP5639/tokyo-japan-22nd-sep-2018-us-open-champion-naomi-osaka-of-japan-returns-the-ball-against-camila-giorgi-of-italy-during-the-semi-final-of-the-toray-pan-pacific-open-tennis-tournament-in-tokyo-on-saturday-september-22-2018-osaka-defeated-giorgi-6-2-6-3-credit-yoshio-tsunodaafloalamy-live-news-PP5639.jpg)
Tokyo, Japan. 22nd Sep, 2018. US Open champion Naomi Osaka of Japan returns the ball against Camila Giorgi of Italy during the semi final of the Toray Pan Pacific Open tennis tournament
![Musashino Forest Sport Plaza, Tokyo, Japan. 5th Oct, 2018. Kei Nishikori (JPN), OCTOBER 5, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles quarter-final at Musashino Forest Sport Plaza, Musashino Forest Sport Plaza, Tokyo, Japan. 5th Oct, 2018. Kei Nishikori (JPN), OCTOBER 5, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles quarter-final at Musashino Forest Sport Plaza,](https://c8.alamy.com/comp/PT50PA/musashino-forest-sport-plaza-tokyo-japan-5th-oct-2018-kei-nishikori-jpn-october-5-2018-tennis-rakuten-japan-open-tennis-championships-2018-mens-singles-quarter-final-at-musashino-forest-sport-plaza-tokyo-japan-credit-naoki-moritaaflo-sportalamy-live-news-PT50PA.jpg)
Musashino Forest Sport Plaza, Tokyo, Japan. 5th Oct, 2018. Kei Nishikori (JPN), OCTOBER 5, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles quarter-final at Musashino Forest Sport Plaza,
![Musashino Forest Sport Plaza, Tokyo, Japan. 2nd Oct, 2018. General view, OCTOBER 2, 2018 - Tennis : Rakuten Musashino Forest Sport Plaza, Tokyo, Japan. 2nd Oct, 2018. General view, OCTOBER 2, 2018 - Tennis : Rakuten](https://c8.alamy.com/comp/PRE588/musashino-forest-sport-plaza-tokyo-japan-2nd-oct-2018-general-view-october-2-2018-tennis-rakuten-japan-open-tennis-championships-2018-at-musashino-forest-sport-plaza-tokyo-japan-credit-yutakaaflo-sportalamy-live-news-PRE588.jpg)
Musashino Forest Sport Plaza, Tokyo, Japan. 2nd Oct, 2018. General view, OCTOBER 2, 2018 - Tennis : Rakuten
![October 5, 2018, Tokyo, Japan - Daniil Medvedev of Russia raises his arms after he defeated Milos Raonic of Canada during the quarter final of the Rakuten Japan Open tennis championships in October 5, 2018, Tokyo, Japan - Daniil Medvedev of Russia raises his arms after he defeated Milos Raonic of Canada during the quarter final of the Rakuten Japan Open tennis championships in](https://c8.alamy.com/comp/PT50C5/october-5-2018-tokyo-japan-daniil-medvedev-of-russia-raises-his-arms-after-he-defeated-milos-raonic-of-canada-during-the-quarter-final-of-the-rakuten-japan-open-tennis-championships-in-tokyo-on-friday-october-5-2018-medvedev-defeated-raonic-7-6-6-3-photo-by-yoshio-tsunodaaflo-lwx-ytd-PT50C5.jpg)
October 5, 2018, Tokyo, Japan - Daniil Medvedev of Russia raises his arms after he defeated Milos Raonic of Canada during the quarter final of the Rakuten Japan Open tennis championships in
![Tokyo, Japan. 6th Oct, 2018. Daniil Medvedev of Russia reacts to audience after he won the Rakuten Japan Open tennis championships in Tokyo on Sunday, October 7, 2018. Medvedev defeated Kei Nishikori Tokyo, Japan. 6th Oct, 2018. Daniil Medvedev of Russia reacts to audience after he won the Rakuten Japan Open tennis championships in Tokyo on Sunday, October 7, 2018. Medvedev defeated Kei Nishikori](https://c8.alamy.com/comp/PT7DBD/tokyo-japan-6th-oct-2018-daniil-medvedev-of-russia-reacts-to-audience-after-he-won-the-rakuten-japan-open-tennis-championships-in-tokyo-on-sunday-october-7-2018-medvedev-defeated-kei-nishikori-of-japan-in-the-final-6-2-6-4-credit-yoshio-tsunodaafloalamy-live-news-PT7DBD.jpg)
Tokyo, Japan. 6th Oct, 2018. Daniil Medvedev of Russia reacts to audience after he won the Rakuten Japan Open tennis championships in Tokyo on Sunday, October 7, 2018. Medvedev defeated Kei Nishikori
![Stefanos Tsitsipas (GRE), OCTOBER 2, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles First Round at Musashino Forest Sport Plaza, Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT Stock Photo - Alamy Stefanos Tsitsipas (GRE), OCTOBER 2, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles First Round at Musashino Forest Sport Plaza, Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT Stock Photo - Alamy](https://c8.alamy.com/comp/PRGX03/stefanos-tsitsipas-gre-october-2-2018-tennis-rakuten-japan-open-tennis-championships-2018-mens-singles-first-round-at-musashino-forest-sport-plaza-tokyo-japan-photo-by-yutakaaflo-sport-PRGX03.jpg)
Stefanos Tsitsipas (GRE), OCTOBER 2, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles First Round at Musashino Forest Sport Plaza, Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT Stock Photo - Alamy
![Tokyo, Japan. 7th Oct, 2018. Kei Nishikori (JPN), OCTOBER 7, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles Final at Tokyo, Japan. Credit: Naoki Morita/AFLO SPORT/Alamy Live News Stock Photo - Alamy Tokyo, Japan. 7th Oct, 2018. Kei Nishikori (JPN), OCTOBER 7, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles Final at Tokyo, Japan. Credit: Naoki Morita/AFLO SPORT/Alamy Live News Stock Photo - Alamy](https://c8.alamy.com/comp/PT7D7B/tokyo-japan-7th-oct-2018-kei-nishikori-jpn-october-7-2018-tennis-rakuten-japan-open-tennis-championships-2018-mens-singles-final-at-tokyo-japan-credit-naoki-moritaaflo-sportalamy-live-news-PT7D7B.jpg)
Tokyo, Japan. 7th Oct, 2018. Kei Nishikori (JPN), OCTOBER 7, 2018 - Tennis : Rakuten Japan Open Tennis Championships 2018 Men's Singles Final at Tokyo, Japan. Credit: Naoki Morita/AFLO SPORT/Alamy Live News Stock Photo - Alamy
![Tokyo, Japan. 1st Oct, 2018. Nick Kyrgios of Australia throws his racket during the first round match of the Rakuten Japan Open tennis championships against Yoshihito Nishioka of Japan in Tokyo on Tokyo, Japan. 1st Oct, 2018. Nick Kyrgios of Australia throws his racket during the first round match of the Rakuten Japan Open tennis championships against Yoshihito Nishioka of Japan in Tokyo on](https://c8.alamy.com/comp/PRGX1F/tokyo-japan-1st-oct-2018-nick-kyrgios-of-australia-throws-his-racket-during-the-first-round-match-of-the-rakuten-japan-open-tennis-championships-against-yoshihito-nishioka-of-japan-in-tokyo-on-wednesday-october-3-2018-kyrgios-defeated-nishioka-7-5-7-6-credit-yoshio-tsunodaafloalamy-live-news-PRGX1F.jpg)