Former world No 1 will return to competition seven months after giving birth to son Leo.
Zverev entered the top 10 after his victory against Novak Djokovic 6-4, 6-3, in the Rome Masters final on Sunday.
Serbian world No 2 Novak Djokovic confirmed Andre Agassi will coach him at the French Open.
Alexander Zverev will move to No 10 in the world after winning the Masters title in Rome.
Novak Djokovic overcame having to play twice in a day before cruising into his eighth final of the Rome Masters with a ruthless 6-1, 6-0 win over Dominic Thiem on Saturday.
Novak Djokovic will now face Dominic Thiem after the Austrian starlet sent seven-time champion Rafael Nadal of Spain crashing out in the quarters.
While Sania Mirza and Yaroslava Shvedova lost in the semifinals, Rohan Bopanna and Pablo Cuevas were defeated in the quarterfinals
Mirza, however, was back to doing what she does best on the court as she and her partner Yaroslava Shvedova of Kazakhstan sealed their place in the semi-finals of the Italian Open with a 6-4, 6-1 win over the Italian pair of Martina Trevisan and Sara Errani on Friday.
Nadal, a former seven-time champion in the Italian capital, had dominated Thiem to win the Madrid Masters final last week.
Maria Sharapova said she will not request a wildcard for Wimbledon, instead opting to play in qualifying for the Grand Slam she won in 2004.
Former world number one Maria Sharapova vowed to "rise up again" after she was refused a wildcard for the French Open following her 15-month ban for doping.
Maria Sharapova was banned for two years for using meldonium, with the penalty later reduced by the Court of Arbitration for Sport which ruled she was not an intentional doper.
The 18-time Grand Slam winner has won the French Open, contested on clay, just once in 2009, and also pulled out of the event last year with knee and back injuries.
The Spaniard is now 15-0 on his favoured surface this year having also picked up his 10th titles in Monte Carlo and Barcelona in recent weeks.
Rafael Nadal snapped a seven-match losing streak against Novak Djokovic in commanding fashion as he romped into the final of the Madrid Masters 6-2, 6-4 on Saturday
The Madrid Masters semifinal will be the 50th meeting between Rafael Nadal and Novak Djokovic with the Serb holding a marginal 26-23 head-to-head record.
The twice Wimbledon champion's left hand was badly injured in a knife attack at her home in December last year.