Stefanos Tsitsipas enjoyed an incident-free path into the third round of the French Open with a win over Roberto Carballes Baena.
The decision to lift the ban was met with protest from Ukraine, whose Foreign Minister Dmytro Kuleba said it was "immoral" and urged Britain to deny Russian and Belarusian players visas.
IMAGES from Day 5 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Friday.
Images from the US Open women's singles third round matches, at Flushing Meadows, New York, on Friday.
Images from matches played on Day 5 at the Australian Open in Melbourne Park on Friday
More sporting bodies sanctioned Russian and Belarusian athletes on Tuesday over Russia's invasion of Ukraine
The positive cases were recorded after the charter flight from Los Angeles landed in Melbourne for the tennis Grand Slam, according to online posts from players.
Grand Slam champions Daniil Medvedev from Russia and Belarusian Victoria Azarenka will not be able to participate in the June 27-July 10 tournament.
Gauff survives scare, Osaka advances
The tournament initiative was to launch on Wednesday - Ukraine Independence Day - with the exhibition event at Louis Armstrong Stadium
Former world number one Victoria Azarenka criticised French Open organisers on Sunday for scheduling men's matches in all but one of the night slots so far this year.
Images from Day 5 of the 2023 Wimbledon Championships on Friday.
Maria Sharapova's claycourt season got off to a poor start on Tuesday as she lost in three sets to Caroline Garcia in the first round of the Porsche Tennis Grand Prix in Stuttgart.
Murray knocked out by Fritz in Washington
Images from Day 6 of the 2024 Australian Open in Melbourne on Friday.
Former champion Naomi Osaka is wearing a different facemask for each of her matches at the US Open this year.
Images from Day 1 of the 2023 Australian Open at Melbourne Park on Monday.
A round-up of all tennis action on Friday.
IMAGES from Day 5 of the 2020 US Open in New York on Friday.
IMAGES from Australian Open matches played at Melbourne Park on Friday
Images from the Australian Open matches played at Melbourne Park on Wednesday.
Images from Day 7 of the 2021 French Open at Roland Garros in Paris on Saturday.
