ATP

KEY BISCAYNE, FL - MARCH 24: Roger Federer of Switzerland serves against Thanasi Kokkinakis of Australia in their second round match during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 24, 2018 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)

Roger Federer Foundation: Swiss Great Visits Zambia

Is Djokovic being prudent by playing Barcelona?

Kei Nishikori Reaches Finals, Faces Rafael Nadal Next

French Open favorites can shift after Monte-Carlo Masters

MONTE-CARLO, MONACO - APRIL 19: Kei Nishikori of Japan in action during his men's singles match against Andreas Seppi of Italy on day five of the ATP Masters Series Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 19, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Kei Nishikori, Marin Cilic Match Can Go Either Way

MONTE-CARLO, MONACO - APRIL 19: Dominic Thiem of Austria serves against Novak Djokovic of Serbia during day five of the Rolex Monte-Carlo Masters at Monte-Carlo Sporting Club on April 19, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Dominic Thiem advances, ousts two-time champion Novak Djokovic

MONTE-CARLO, MONACO - APRIL 18: Rafael Nadal of Spain serving during his Mens Singles match against Aljaz Bedene of Slovenia at Monte-Carlo Sporting Club on April 18, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Rafael Nadal, King of Clay, back at Monte-Carlo Masters

MONTE-CARLO, MONACO - APRIL 17: Dominic Thiem of Austria hits a backhand return during his Mens Singles match against Andrey Rublev of Russia at Monte-Carlo Sporting Club on April 17, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Dominic Thiem, other top seeds win early at Monte-Carlo

RIO DE JANEIRO, BRAZIL - FEBRUARY 22: Aljaz Bedene of Slovenia returns a shot to Pablo Carreno Busta of Spain during the ATP Rio Open 2018 at Jockey Club Brasileiro on February 22, 2018 in Rio de Janeiro, Brazil. (Photo by Buda Mendes/Getty Images)

Aljaz Bedene: rematch versus Rafael Nadal at 2018 Monte-Carlo Masters

KEY BISCAYNE, FL - MARCH 25: Grigor Dimitrov of Bulgaria plays a forehand against Jeremy Chardy of France in their third round match during the Miami Open Presented by Itau at Crandon Park Tennis Center on March 25, 2018 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)

Grigor Dimitrov: chances at 2018 Monte-Carlo Masters

MONTE-CARLO, MONACO - APRIL 16: Novak Djokovic of Serbia celebrates after his singles match against Dusan Lajovic of Serbia during day two of ATP Masters Series: Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 16, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Novak Djokovic cruises through Monte-Carlo opener

PARIS, FRANCE - JUNE 02: Rafael Nadal of Spain slides across the clay to play a backhand during his men's singles third round match against Eduardo Schwank of Argentina during day seven of the French Open at Roland Garros on June 2, 2012 in Paris, France. (Photo by Clive Brunskill/Getty Images)

Can Rafael Nadal sweep the clay season?

MELBOURNE, AUSTRALIA - JANUARY 16: Steve Johnson of the United States serves in his first round match against Denis Kudla of the United States on day two of the 2018 Australian Open at Melbourne Park on January 16, 2018 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

Steve Johnson: defending champion’s chances in Houston

KEY BISCAYNE, FL - MARCH 27: Nick Kyrgios of Australia plays a backhand against Alexander Zverev of Germany 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)

Nick Kyrgios battles back, takes opener in Houston

INDIAN WELLS, CA - MARCH 13: Jack Sock celebrates while playing Feliciano Lopez of Spain during the BNP Paribas Open at the Indian Wells Tennis Garden on March 13, 2018 in Indian Wells, California. (Photo by Matthew Stockman/Getty Images)

Jack Sock needs a strong performance in Houston

KEY BISCAYNE, FL - APRIL 01: John Isner serves to Alexander Zverev of German during the men's final of the Miami Open Presented by Itau at Crandon Park Tennis Center on April 1, 2018 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)

Can John Isner continue his newfound success in Houston?

RIO DE JANEIRO, BRAZIL - FEBRUARY 19: Marin Cilic of Croatia returns a shot to Carlos Berlocq of Argentina during the ATP Rio Open 2018 at Jockey Club Brasileiro on February 19, 2018 in Rio de Janeiro, Brazil. (Photo by Buda Mendes/Getty Images)

Marin Cilic: breaking down his chances at the 2018 French Open

KEY BISCAYNE, FL - APRIL 01: John Isner serves to Alexander Zverev of German during the men's final of the Miami Open Presented by Itau at Crandon Park Tennis Center on April 1, 2018 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)

ATP Rankings Update: John Isner jumps into Top 10

PARIS, FRANCE - JUNE 11: Rafael Nadal of Spain in action during the mens singles final match against Stan Wawrinka of Switzerland on day fifteen of the 2017 French Open at Roland Garros on June 11, 2017 in Paris, France. (Photo by Julian Finney/Getty Images)

Ahead of the Clay Season, Carlos Moya reveals Rafael Nadal isn’t at 100%

KEY BISCAYNE, FL - APRIL 01: John Isner of the United States poses with the Butch Buchholz Trophy after defeating Alexander Zverev of Germany in the men's final on Day 14 of the Miami Open Presented by Itau at Crandon Park Tennis Center on April 1, 2018 in Key Biscayne, Florida. (Photo by Michael Reaves/Getty Images)

John Isner bounces back, winning 2018 Miami Open

KEY BISCAYNE, FL - MARCH 24: Roger Federer of Switzerland meets Thanasi Kokkinakis of Australia at the net after he was defeated in three sets during Day 6 of the Miami Open at the Crandon Park Tennis Center on March 24, 2018 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)

Thanasi Kokkinakis stuns Roger Federer at 2018 Miami Open

INDIAN WELLS, CA - MARCH 18: Juan Martin Del Potro of Argentina holds up the trophy in front of Roger Federer of Switzerland after his victory in the ATP final 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)

Can Juan Martin Del Potro complete the Sunshine Double?

INDIAN WELLS, CA - MARCH 11: Novak Djokovic of Serbia plays a shot during his match against Taro Daniel of Japan during the BNP Paribas Open at the Indian Wells Tennis Garden of the Czech Republic on March 11, 2018 in Indian Wells, California. (Photo by Adam Pretty/Getty Images)

Miami Open Early Round Challenge: Novak Djokovic Takes On Benoit Paire

KEY BISCAYNE, FL - APRIL 03: A general view of stadium court showing Andy Murray of Great Britain against Tomas Berdych of the Czech Republic in their semi-final match during the Miami Open Presented by Itau at Crandon Park Tennis Center on April 3, 2015 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)

2018 Miami Open: Five First-Round matches to look forward to

MELBOURNE, AUSTRALIA - JANUARY 16: Novak Djokovic of Serbia plays a forehand in his first round match against Donald Young of the United States on day two of the 2018 Australian Open at Melbourne Park on January 16, 2018 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)

Novak Djokovic: 2018 Miami Open critical in his comeback

MELBOURNE, AUSTRALIA - JANUARY 18: Juan Martin Del Potro of Argentina plays a backhand in his second round match against Karen Khachanov of Russia on day four of the 2018 Australian Open at Melbourne Park on January 18, 2018 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Indian Wells 2018: Juan Martin del Potro dethrones Roger Federer

INDIAN WELLS, CA - MARCH 15: Roger Federer of Switzerland returns a shot to Hyeon Chung of Korea during of the BNP Paribas Open at the Indian Wells Tennis Garden on March 15, 2018 in Indian Wells, California. (Photo by Matthew Stockman/Getty Images)

Roger Federer v. Borna Coric: the head-to-head breakdown

INDIAN WELLS, CA - MARCH 16: Milos Roanic of Canada lunges for a serve while playing Sam Querrey during quarterfinals of the BNP Paribas Open at the Indian Wells Tennis Garden on March 16, 2018 in Indian Wells, California. (Photo by Matthew Stockman/Getty Images)

Milos Raonic describes recovery as a “Catastrophe”