Alcaraz Advances to Quarterfinals at Qatar Open, Medvedev Upset

World No. 1 Carlos Alcaraz secured his spot in the Qatar ExxonMobil Open quarterfinals with a commanding 6-2, 7-5 victory over France's Valentin Royer. Meanwhile, fourth-seeded Daniil Medvedev suffered a surprising defeat to Greece's Stefanos Tsitsipas in the day's biggest upset.

Spain’s top-ranked Carlos Alcaraz booked his place in the Qatar ExxonMobil Open quarterfinals following a dominant 6-2, 7-5 victory over French player Valentin Royer during Wednesday’s round of 16 action in Doha.

The world No. 1 controlled the opening set effectively, successfully defending against two break point chances while claiming two service breaks from his opponent. Despite Royer building a commanding 5-2 advantage in the second set, Alcaraz mounted an impressive comeback by capturing 21 of the match’s final 27 points to secure his advancement.

Italy’s second-seeded Jannik Sinner also moved forward with a convincing straight-sets triumph over Australia’s Alexei Popyrin, winning 6-3, 7-5. Remarkably, Sinner has maintained his serve throughout both of his tournament matches without facing a single break point.

The tournament’s lone major surprise came when Greece’s Stefanos Tsitsipas eliminated fourth-seeded Russian Daniil Medvedev with a 6-3, 6-4 victory.

Additional players earning quarterfinal berths included fifth-seeded Andrey Rublev, sixth-seeded Jakub Mensik, seventh-seeded Karen Khachanov, eighth-seeded Jiri Lehecka, and Arthur Fils. All competitors except Khachanov completed their victories without dropping a set.

Delray Beach Open

Hong Kong qualifier Coleman Wong delivered a stunning upset by defeating seventh-seeded American Brandon Nakashima 6-4, 7-6 (4) during round of 16 play in Delray Beach, Florida.

Wong demonstrated exceptional serving prowess, successfully landing 32 of 38 first serves for an impressive 84 percent conversion rate while losing his serve just once during the match. His quarterfinal opponent will be third-seeded Italian Flavio Cobolli, who eliminated France’s Terence Atmane 7-5, 6-4.

In an all-American matchup, Sebastian Korda overcame Alex Michelsen 6-3, 7-6 (6) by capitalizing on four of his 13 break point chances.

Rio Open

Argentina’s Thiago Agustin Tirante scored an unexpected victory over compatriot and tournament top seed Francisco Cerundolo, winning 6-2, 3-1 when Cerundolo withdrew mid-match due to a back injury during round of 16 competition in Rio de Janeiro.

Tirante was in complete control before his opponent’s retirement, firing seven aces and breaking serve three times. He will next meet Chile’s Alejandro Tabilo, who rallied from a set down to defeat Italy’s Francesco Passaro 4-6, 7-6 (0), 6-2.

Juan Manuel Cerundolo, Francisco’s older brother, prevailed over Germany’s Yannick Hanfmann 6-4, 6-7 (1), 6-4, while Czech Republic’s Vit Kopriva dominated Argentina’s Roman Andres Burruchaga in straight sets 6-3, 6-1 to also reach the quarterfinals.