Opinion

INDIAN WELLS, CA - MARCH 13: Gael Monfils of France returns a shot to Pierre-Hugues Herbert of France 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)

Gael Monfils: Bavarian International Is Chance For Momentum

Barcelona Open: Watch Rafael Nadal Celebrate Per Usual

Kerber Injury Update: Stuttgart Injury Should Not Hold Her Back

Alexander Zverev Leads Talented Field At Bavarian International

BARCELONA, SPAIN - APRIL 29: Rafael Nadal of Spain poses with the trophy after his victory against Stefanos Tsitsipas of Greece in their final match during day seven of the Barcelona Open Banc Sabadell on April 29, 2018 in Barcelona, Spain. (Photo by Alex Caparros/Getty Images)

Barcelona Open: Rafael Nadal Does It Again, Wins 11th Title

MONTE-CARLO, MONACO - APRIL 19: Novak Djokovic of Serbia in action against Dominic Thiem of Austria during his men's singles match on 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)

Novak Djokovic Training, Focusing On 2018 Future Ahead

MONTE-CARLO, MONACO - APRIL 22: Kei Nishikori of Japan plays a backhand in his match against Rafael Nadal of Spain during day eight of ATP Masters Series: Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 22, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

ATP World Tour: Favorites in Men’s Singles After April

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 Bests David Goffin, Chance At Another Barcelona Title

BARCELONA, SPAIN - APRIL 28: Rafael Nadal of Spain plays a forehand against David Goffin of Belgium in their semi-final match during day six of the Barcelona Open Banc Sabadell on April 28, 2018 in Barcelona, Spain. (Photo by Alex Caparros/Getty Images)

Can Rafael Nadal be stopped?

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 Ousted During Barcelona Quarterfinals

BARCELONA, SPAIN - APRIL 24: David Goffin of Belgium plays a backhand against Marcel Granollers of Spain in their match during day three of the Barcelona Open Banc Sabadell on April 24, 2018 in Barcelona, Spain. (Photo by Alex Caparros/Getty Images)

David Goffin: Chances Against World No. 1 Rafael Nadal

MONTE-CARLO, MONACO - APRIL 19: Novak Djokovic of Serbia in action against Dominic Thiem of Austria during his men's singles match on 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)

Novak Djokovic Splashes Out Of 2018 Barcelona Open

MONTE-CARLO, MONACO - APRIL 20: Grigor Dimitrov of Bulgaria in action in his singles match against David Goffin of Belgium during say six of ATP Masters Series: Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 20, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Grigor Dimitrov Poised For 2018 Barcelona Open Run

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

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 Survives Meeting With Jaume Munar

BARCELONA, SPAIN - APRIL 25: Rafael Nadal of Spain plays a forehand against Roberto Carballes Baena of Spain in their game during day three of the Barcelona Open Banc Sabadell on April 25, 2018 in Barcelona, Spain. (Photo by Alex Caparros/Getty Images)

Rafael Nadal, Ten-Time Champ, Opens Barcelona On Top

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

MONTE-CARLO, MONACO - APRIL 21: Alexander Zverev of Germany in action against Kei Nishikori of Japan during day seven of the ATP Masters Series Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 21, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Alexander Zverev Moves In Rankings To Revisit Career High

MONTE-CARLO, MONACO - APRIL 19: Novak Djokovic of Serbia reacts during his men's singles match against Dominic Thiem of Austria on 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)

Novak Djokovic: Returning Slower Than Rafael Nadal

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 Must Break Slump In ATP Tour Middle Months

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?

MONTE-CARLO, MONACO - APRIL 22: Kei Nishikori of Japan plays a backhand in his match against Rafael Nadal of Spain during day eight of ATP Masters Series: Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 22, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Kei Nishikori: Strong Showing For Tennis Superstar

MONTE-CARLO, MONACO - APRIL 19: Novak Djokovic of Serbia serves against Dominic Thiem of Austria during his men's singles 3rd round match on 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)

Is Djokovic being prudent by playing Barcelona?

MONTE-CARLO, MONACO - APRIL 21: Kei Nishikori of Japan takes a break between points during his men's Semi-Final match against Alexander Zverev Jr. of Germany during day seven of ATP Masters Series: Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 21, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Kei Nishikori Reaches Finals, Faces Rafael Nadal Next

SEVILLE, SPAIN - DECEMBER 04: Rafael Nadal of Spain plays a backhand to Juan Martin del Potro of Argentina during the third and last day of the final Davis Cup match between Spain and Argentina on December 4, 2011 in Seville, Spain. (Photo by Jasper Juinen/Getty Images)

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