WTA

KEY BISCAYNE, FL - MARCH 23: Kristina Mladenovic of France in action against Petra Martic of Croatia in their second round match during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 23, 2018 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)

Kristina Mladenovic Dating Dominic Thiem Is Tennis Perfection

Elina Svitolina challenging Eugenie Bouchard on Instagram

Eugenie Bouchard Has Instagram Famous Twin Sister Beatrice Bouchard

Caroline Wozniacki has edge over Anastasija Sevastova in Rome

MADRID, SPAIN - MAY 07: Maria Sharapova of Russia plays a backhand against Irina-Camelia Begu of Romania in their second round match during day three of the Mutua Madrid Open tennis tournament at the Caja Magica on May 7, 2018 in Madrid, Spain. (Photo by Clive Brunskill/Getty Images)

Maria Sharapova into Quarterfinals at Madrid Open

MADRID, SPAIN - MAY 07: Caroline Wozniacki of Denmark serves to Ashleigh Barty of Australia in her 2nd Round match on day three of the Mutua Madrid Open tennis tournament at the Caja Magica on May 7, 2018 in Madrid, Spain.(Photo by Denis Doyle/Getty Images)

Caroline Wozniacki SURVIVES Madrid Open Match with Ashleigh Barty

MADRID, SPAIN - MAY 06: Simona Halep of Romania serves against Ekaterina Makarova of Russia in their first round match during day two of the Mutua Madrid Open tennis tournament at the Caja Magica on May 6, 2018 in Madrid, Spain. (Photo by Clive Brunskill/Getty Images)

Simona Halep, defending champion, wins early in Madrid

STUTTGART, GERMANY - APRIL 26: Angelique Kerber of Germany reacts during her match against Anett Kontaveit of Estonia during day 4 of the Porsche Tennis Grand Prix at Porsche-Arena on April 26, 2018 in Stuttgart, Germany. (Photo by Alex Grimm/Getty Images)

Kerber Injury Update: Stuttgart Injury Should Not Hold Her Back

INDIAN WELLS, CA - MARCH 12: Caroline Wozniacki of Denmark serves in her match against Aliaksandra Sasnovich of Belarus during the BNP Paribas Open at the Indian Wells Tennis Garden on March 12, 2018 in Indian Wells, California. (Photo by Harry How/Getty Images)

Caroline Wozniacki Suffers Abdominal Injury In Istanbul

STUTTGART, GERMANY - APRIL 25: Simona Halep of Romania plays a forehand to Magdalena Rybarikova of Slovakia during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on April 25, 2018 in Stuttgart, Germany. (Photo by Alex Grimm/Getty Images)

Simona Halep Takes Opener At Porsche Tennis Grand Prix

KEY BISCAYNE, FL - MARCH 27: Angelique Kerber of Germany plays a forehand against Sloane Stephens of the United States in their fourth round match during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 27, 2018 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)

WTA Tour Porche Race to Singapore Rankings Remain Unchanged

MONACO, MONACO - APRIL 18: Tennis superstar Caroline Wozniacki serves up a partnership with fitness app Lympo, which provides rewards for physical activity, at Le Meridien Beach Plaza Hotel on April 18, 2018 in Monaco, Monaco. (Photo by Patrick Aventurier/Getty Images for Lympo)

Istanbul Cup: Top Seed Caroline Wozniacki Wins Opener

KEY BISCAYNE, FL - MARCH 24: Simona Halep of Romania returns a shot to Agnieszka Radwanska of Poland during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 24, 2018 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)

Simona Halep, Caroline Wozniacki, or someone else at No. 1 in 2018?

KEY BISCAYNE, FL - MARCH 25: Kiki Bertens of the Netherlands plays a shot against Venus Williams during Day 7 of the Miami Open at the Crandon Park Tennis Center on March 25, 2018 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)

Kiki Bertens emerges victorious from challenging Charleston Open

KEY BISCAYNE, FL - MARCH 26: Garbine Muguruza of Spain returns a shot to Sloane Stephens during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 26, 2018 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)

Garbine Muguruza takes the title over Timea Babos

KEY BISCAYNE, FL - MARCH 31: Sloane Stephens of the United States celebrates after defeating Jelena Ostapenko of Latvia in the women's final on Day 13 of the Miami Open Presented by Itau at Crandon Park Tennis Center on March 31, 2018 in Key Biscayne, Florida. (Photo by Michael Reaves/Getty Images)

Sloane Stephens takes down Jelena Ostapenko at 2018 Miami Open

KEY BISCAYNE, FL - MARCH 27: Angelique Kerber of Germany plays a forehand against Sloane Stephens of the United States in their fourth round match during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 27, 2018 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)

Angelique Kerber ousted during 2018 Miami Open quarterfinals

MELBOURNE, AUSTRALIA - JANUARY 27: Caroline Wozniacki of Denmark plays a backhand in her women's singles final against Simona Halep of Romania on day 13 of the 2018 Australian Open at Melbourne Park on January 27, 2018 in Melbourne, Australia. (Photo by Jack Thomas/Getty Images)

Caroline Wozniacki: revealing Instagram post from Miami Open

KEY BISCAYNE, FL - MARCH 21: Monica Puig of Puerto Rico in action against Samantha Stosur of Australia in their first round match during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 21, 2018 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)

Monica Puig UPSETS Caroline Wozniacki: Miami Open

KEY BISCAYNE, FL - MARCH 21: Victoria Azarenka of Belarus holds the WTA Race to Singapore lapboard during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 21, 2018 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)

Victoria Azarenka wins again, biggest match since return to tennis

PARIS, FRANCE - MAY 31: Oceane Dodin of France plays a forehand during the ladies singles second round match against Svetlana Kuznetsova of Russia on day four of the 2017 French Open at Roland Garros on May 31, 2017 in Paris, France. (Photo by Clive Brunskill/Getty Images)

Oceane Dodin: 2018 Miami Open chances against Simona Halep and beyond

INDIAN WELLS, CA - MARCH 10: Caroline Wozniaki of Denmark hits a backhand during her match against Lara Arrubarrena during the BNP Paribas Open at the Indian Wells Tennis Garden on March 10, 2018 in Indian Wells, California. (Photo by Adam Pretty/Getty Images)

Race to Singapore Update: Caroline Wozniacki Remains Ahead

INDIAN WELLS, CA - MARCH 18: Naomi Osaka of Japan poses withe the trophy after her victory in the WTA final over Daria Kasatkina of Russia with her coach Sascha Bajin during the BNP Paribas Open at the Indian Wells Tennis Garden on March 18, 2018 in Indian Wells, California. (Photo by Harry How/Getty Images)

Naomi Osaka is the 2018 BNP Paribas Open champion in women’s singles

INDIAN WELLS, CA - MARCH 16: Naomi Osaka of Japan serves in her semifinal victory over Simona Halep of Romania during the BNP Paribas Open at the Indian Wells Tennis Garden on March 16, 2018 in Indian Wells, California. (Photo by Harry How/Getty Images)

Naomi Osaka, Daria Kasatkina Set For HUGE Indian Wells Final

MELBOURNE, AUSTRALIA - JANUARY 15: Monica Puig of Puerto Rico plays a backhand in her first round match against Samantha Stosur of Australia on day one of the 2018 Australian Open at Melbourne Park on January 15, 2018 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Monica Puig: searching for redemption at 2018 Indian Wells

MELBOURNE, AUSTRALIA - JANUARY 25: Angelique Kerber of Germany serves in her semi-final match against Simona Halep of Romania on day 11 of the 2018 Australian Open at Melbourne Park on January 25, 2018 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

WTA Tour: February Race to Singapore Rankings Update

MELBOURNE, AUSTRALIA - JANUARY 27: Simona Halep of Romania serves in her women's singles final against Caroline Wozniacki of Denmark on day 13 of the 2018 Australian Open at Melbourne Park on January 27, 2018 in Melbourne, Australia. (Photo by Jack Thomas/Getty Images)

Simona Halep is back into the world No. 1 ranking on the WTA Tour

MELBOURNE, AUSTRALIA - JANUARY 27: Caroline Wozniacki of Denmark plays a backhand in her women's singles final against Simona Halep of Romania on day 13 of the 2018 Australian Open at Melbourne Park on January 27, 2018 in Melbourne, Australia. (Photo by Jack Thomas/Getty Images)

Qatar Open: breaking down Caroline Wozniacki’s performance