Confronted with Zverev's relentless serve, American 13th seed Fritz looked to be heading home but broke the German on the way to winning the third set.
Carlos Alcaraz fought back to defeat Alexander Zverev in a five-set French Open final on Sunday and become the youngest man to win Grand Slam titles on all three surfaces.
Carlos Alcaraz says he is hoping to join the long list of Spanish French Open champions when he bids to become the youngest man to win Grand Slam titles on all three surfaces in the final against Alexander Zverev on Sunday.
Alexander Zverev advanced to his fourth successive French Open semifinal with a 6-4, 7-6 (7/5), 6-4 win over Australian 11th seed Alex de Minaur on Wednesday.
Rafael Nadal admits he will be facing "one of the toughest opponents possible" when he plays Alexander Zverev in the French Open first round on Monday.
Nadal, the record 14-time champion at Roland Garros, is unseeded this year after injury saw his ranking plummet to 276.
World number five Zverev, also Foro Italico champion in 2017, comfortably won his sixth Masters 1000 title by beating Nicolas Jarry 6-4, 7-5 and is eyeing glory at the Paris clay-court Grand Slam, which gets underway next weekend.
Jannik Sinner ended defending champion Novak Djokovic's bid for a record 25th Grand Slam title on Friday, snapping the Serb's astonishing 33-match winning run at Melbourne Park to reach his first major final.
Former US Open champion Medvedev will hope to get third time lucky when he meets Italian youngster Jannik Sinner on Sunday
The German sixth seed eventually prevailed 6-1, 6-3, 6-7 (2/7), 6-4 on Rod Laver Arena to make the last four at a Grand Slam for the seventh time.
Alexander Zverev saved two match points in a gruelling three-set win over Hubert Hurkacz to help Germany upset top seeds Poland and clinch a maiden United Cup title in Sydney on Sunday.
An aggressive Alexander Zverev punched his ticket into the French Open quarterfinals with a 6-1, 6-4, 6-3 win over Bulgarian 28th seed Grigor Dimitrov on Monday to raise hopes that his barren Grand Slam run could finally end.
Rafael Nadal reached his 14th French Open final on Friday when Alexander Zverev was forced to quit their semi-final after suffering a sickening right ankle injury.
Alexander Zverev beat Carlos Alcaraz in a dramatic four-set clash on Tuesday to secure a French Open semi-final meeting with either Novak Djokovic or Rafael Nadal.
Former world number one Maria Sharapova battles back to reach the third round of the US Open while next-generation rising stars Alexander Zverev and Nick Kyrgios crash out.
Roger Federer enters Wimbledon match against third-round opponent Mischa Zverev unclear exactly what to expect from the Russian-born German.
German Alexander Zverev says he cannot rest on his laurels after beating Novak Djokovic to win the Italian Open and has set his sights on bigger titles in order to retain his place in the world's top 10.
German teenager and of the rising stars in tennis, Alexander Zverev, ends Roger Federer's reign in Halle