Tournaments

SINGAPORE - OCTOBER 23: Simona Halep of Romania celebrates victory in her singles match against Caroline Garcia of France during day 2 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October 23, 2017 in Singapore. (Photo by Matthew Stockman/Getty Images)

Simona Halep off to impressive start at 2017 WTA Finals

Juan Martin del Potro wins Stockholm Open, improves finals chances

Grigor Dimitrov reaches Stockholm semis, increases ATP Finals chances

Kremlin Cup: round of 16 action riddled with upsets

SHANGHAI, CHINA - OCTOBER 15: Roger Federer of Switzerland talk with Rafael Nadal of Spain during the award ceremony after the Men's singles final mach on day eight of 2017 ATP Shanghai Rolex Masters at Qizhong Stadium on October 15, 2017 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

Roger Federer continues 2017 dominance over Rafael Nadal

SHANGHAI, CHINA - OCTOBER 09: Juan Martin del Potro of Argentina returns a shot against during the Men's singles mach against Nikoloz Basilashvili of Georgia on day two of Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 9, 2017 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

Juan Martín del Potro: 2017 resurgence is just the beginning

TOKYO, JAPAN - OCTOBER 03: Dominic Thiem of Austria plays a backhand against Steve Johnson of the USA during day two of the Rakuten Open at Ariake Coliseum on October 3, 2017 in Tokyo, Japan. (Photo by Matt Roberts/Getty Images)

Dominic Thiem ousted from Shanghai, ATP Finals chase continues

BEIJING, CHINA - OCTOBER 04: Maria Sharapova of Russia returns a shot against Simona Halep of Romania during the Women's singles 3rd round on day five of 2017 China Open at the China National Tennis Centre on October 4, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Maria Sharapova notches another win in her return to tennis

BEIJING, CHINA - OCTOBER 08: Caroline Garcia of France holds the winner's trophy after winning the Women's Singles final against Simona Halep of Romania on day nine of the 2017 China Open at the China National Tennis Centre on October 8, 2017 in Beijing, China. (Photo by Etienne Oliveau/Getty Images)

Caroline Garcia completes Wuhan-Beijing title run, enters WTA top 10

BEIJING, CHINA - OCTOBER 08: Rafael Nadal of Spain hold the winners trophy poses for a picture after winning the Men's Singles final against Nick Kyrgios of Australia on day nine of the 2017 China Open at the China National Tennis Centre on October 8, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Rafael Nadal tops Nick Kyrgios, wins 2nd China Open title

BEIJING, CHINA - OCTOBER 07: Simona Halep of Romania poses with a bouquet after becoming world number one due to winning the Women's singles semifinals match against Jelena Ostapenko of Latvia on day eight of 2017 China Open at the China National Tennis Centre on October 7, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Simona Halep into China Open finals, becomes new world No. 1

PRAGUE, CZECH REPUBLIC - SEPTEMBER 24: John Isner and Jack Sock of Team World celebrate during there mens doubles match between Tomas Berdych and Marin Cilic of Team Europe on the final day of the Laver cup on September 24, 2017 in Prague, Czech Republic. The Laver Cup consists of six European players competing against their counterparts from the rest of the World. Europe will be captained by Bjorn Borg and John McEnroe will captain the Rest of the World team. The event runs from 22-24 September. (Photo by Clive Brunskill/Getty Images for Laver Cup)

John Isner: can he take down Rafael Nadal for the first time?

BEIJING, CHINA - OCTOBER 01: Simona Halep of Romania attends an event in the Mercedes-Benz booth during day two of the 2017 China Open at the China National Tennis Centre on October 1, 2017 in Beijing, China. (Photo by Etienne Oliveau/Getty Images)

Simona Halep tops Maria Sharapova for the first time in her career

TORONTO, ON - AUGUST 8: Eugenie Bouchard of Canada plays a shot against Donna Vekic of Croatia during Day 4 of the Rogers Cup at Aviva Centre on August 8, 2017 in Toronto, Canada. (Photo by Vaughn Ridley/Getty Images)

Eugenie Bouchard continues to struggle, exits China Open early

BEIJING, CHINA - OCTOBER 03: Alexander Zverev of Germany returns a shot against Kyle Edmund of Great Britain during the Men's singles first round on day four of 2017 China Open at the China National Tennis Centre on October 3, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Alexander Zverev, other top seeds perform early at 2017 China Open

TOKYO, JAPAN - OCTOBER 03: Steve Johnson of the USA plays a forehand against Dominic Thiem of Austria during day two of the Rakuten Open at Ariake Coliseum on October 3, 2017 in Tokyo, Japan. (Photo by Matt Roberts/Getty Images)

Japan Open: action in Tokyo sees multiple early round upsets

PRAGUE, CZECH REPUBLIC - SEPTEMBER 24: Rafael Nadal of Team Europe plays a forehand during his mens singles match against John Isner of Team World on the final day of the Laver cup on September 24, 2017 in Prague, Czech Republic. The Laver Cup consists of six European players competing against their counterparts from the rest of the World. Europe will be captained by Bjorn Borg and John McEnroe will captain the Rest of the World team. The event runs from 22-24 September. (Photo by Clive Brunskill/Getty Images for Laver Cup)

China Open: Djokovic absence makes room for Nadal’s return

BEIJING, CHINA - OCTOBER 02: Garbine Muguruza of Spain attends a press conference after her retired due to injury during the day three of 2017 China Open at the China National Tennis Centre on October 2, 2017 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Garbine Muguruza retires in Beijing opener, cites illness

NEW YORK, NY - AUGUST 28: Denis Istomin of Uzbekistan returns a shot during his first round Men's Singles match against Albert Ramos Viñolas of Spain on Day One of the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 28, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Clive Brunskill/Getty Images)

Denis Istomin wins Chengdu Open with Marcos Baghdatis retiring

WUHAN, CHINA - SEPTEMBER 26: Caroline Wozniacki of Denmark reacts during the match against Maria Sakkari of Greece on Day 3 of 2017 Dongfeng Motor Wuhan Open at Optics Valley International Tennis Center on September 26, 2017 in Wuhan, China. (Photo by Wang He/Getty Images)

Caroline Wozniacki qualifies for 2017 WTA Finals in Singapore

BRUSSELS, BELGIUM - SEPTEMBER 17: David Goffin of Belgium celebrates defeating Nick Kyrgios of Australia in the fourth set during day three of the Davis Cup World Group semi final match between Belgium and Australia at Palais 12 on September 17, 2017 in Brussels, Belgium. (Photo by Julian Finney/Getty Images)

David Goffin wins Shenzhen Open, first title since 2014

BRUSSELS, BELGIUM - SEPTEMBER 17: David Goffin of Belgium celebrates breaking Nick Kyrgios of Australia in the fourth set during day three of the Davis Cup World Group semi final match between Belgium and Australia at Palais 12 on September 17, 2017 in Brussels, Belgium. (Photo by Julian Finney/Getty Images)

David Goffin reaches Shenzhen Open finals, faces Alexandr Dolgopolov

WUHAN, CHINA - SEPTEMBER 29: Caroline Garcia of France serves against Maria Sakkari of Greece on Day 6 of 2017 Dongfeng Motor Wuhan Open at Optics Valley International Tennis Center on September 29, 2017 in Wuhan, China. (Photo by Wang He/Getty Images)

Caroline Garcia completes comeback title win at Wuhan Open

BEIJING, CHINA - SEPTEMBER 30: Maria Sharapova of Russia returns a shot against Anastasija Sevastova of Latvia during their first round match on day one of the 2017 China Open at the China National Tennis Centre on September 30, 2017 in Beijing, China. (Photo by Etienne Oliveau/Getty Images)

Maria Sharapova survives opening round match at China Open

BRUSSELS, BELGIUM - SEPTEMBER 17: David Goffin of Belgium in action against Nick Kyrgios of Australia during day three of the Davis Cup World Group semi final match between Belgium and Australia at Palais 12 on September 17, 2017 in Brussels, Belgium. (Photo by Julian Finney/Getty Images)

David Goffin rolls into semifinals at 2017 Shenzhen Open

WUHAN, CHINA - SEPTEMBER 29: Caroline Garcia of France returns a shot during the match against Maria Sakkari of Greece on Day 6 of 2017 Dongfeng Motor Wuhan Open at Optics Valley International Tennis Center on September 29, 2017 in Wuhan, China. (Photo by Wang He/Getty Images)

Wuhan Open: the finals are set at the Premier 5 tournament

OSAKA, JAPAN - SEPTEMBER 18: Yuichi Sugita of Japan plays a forehand in his singles match against Thiago Monteiro of Brazil during day four of the Davis Cup World Group Play-off between Japan and Brazil at Utsubo Tennis Center on September 18, 2017 in Osaka, Japan. (Photo by Kiyoshi Ota/Getty Images)

Chengdu Open: Yūichi Sugita continuing career year

WUHAN, CHINA - SEPTEMBER 27: Garbine Muguruza of Spain reacts after winning the match against Magda Linette of Poland on Day 4 of 2017 Dongfeng Motor Wuhan Open at Optics Valley International Tennis Center on September 27, 2017 in Wuhan, China. (Photo by Yifan Ding/Getty Images)

Wuhan Open: two Grand Slam winners square off in quarterfinals