Torrential rains, the remnants of deadly Hurricane Ida, were blown under the corners of the retractable roof at the facility, opened in 2018 to provide a second court to keeping playing despite downpours.
Osaka seeking her fifth career Grand Slam title and third US Open crown in four years, plays a second-round match against 145th-ranked Serbian qualifier Olga Danilovic.
Kevin Anderson's last ATP title win came in Pune in 2019.
World number 113 Anderson, chasing a main draw berth at the US Open, fired 20 aces and won 54 of 69 points on his first serve (78%) to claim victory after two hours and 46 minutes.
Wimbledon 2021: Fighting Murray, flawless Djokovic slip into third round; Sofia Kenin loses to Madison Brengle
World number one Djokovic, chasing a sixth Wimbledon and record-equalling 20th Grand Slam title, won 6-3, 6-3, 6-3 over the 102nd-ranked South African.
The council's president and vice-president will be elected at its first meeting in 2021.
The fifth-seeded Rublev led 6-4, 4-1 when Anderson quit the match with a right thigh issue.
Erste Bank Open: Novak Djokovic saves four set points to beat Borna Coric, virtually assured to end season World No. 1
Novak Djokovic will play either Hubert Hurkacz or Lorenzo Sonego in Friday's quarterfinal.
Felix Auger-Aliassime, Jeremy Chardy, John Millman and Andy Murray were voted on to the council by their fellow players.
French Open 2020: Novak Djokovic into last-16 with ease as Daniel Altmaier strikes new blow for underdogs
World number one Djokovic swept past 153rd-ranked Galan 6-0, 6-3, 6-2, his most challenging moment coming when he helped ground staff lay more clay on the surface of Court Philippe Chatrier after rain had made it treacherous
French Open 2020: 'In terms of goals and achievements, there's no shortage' Kevin Anderson says retirement long way off
Anderson, who tackles Russia's Andrey Rublev for a place in the Roland Garros last 16 on Saturday, underwent surgery on his right knee in September last year and again in February.
US Open 2020: Novak Djokovic eases past Damir Dzumhur in first round; Alexander Zverev earns hard-fought win over Kevin Anderson
Alexander Zverev was made to work hard as he progressed into round two of the US Open Monday following a three-hour-long tussle with 2017 finalist Kevin Anderson.
Western & Southern Open: Pliskova, Kenin suffer defeats in opening matches; Tsitsipas beats Anderson
It was a stunning turn of events on a day that saw men's fourth seed Stefanos Tsitsipas lead the way into the round of 16 with a 6-1, 6-3 victory over two-time Grand Slam finalist Kevin Anderson.
Turning Point: College tennis in US instilled belief in me before turning pro, says two-time NCAA champion Somdev Devvarman
Somdev Devvarman, who won the 2007 and 2008 NCAA singles titles, believes deciding to play tennis at the college level in US helped him significantly before turning professional.
After recovering from knee injury, Kevin Anderson's return to Tennis court delayed due to COVID-19 crisis
Kevin Anderson, who underwent knee surgery last month, was eyeing a return to the court at April’s Monte Carlo Masters but his comeback plans have been disrupted as the tennis season remains suspended due to the coronavirus pandemic.
Novak Djokovic says next week’s Australian Open is wide open and expects the current crop of young talent to push for glory
Monfils said he was motivated because he didn't want to let down Gilles Simon, who is nominated as a player-captain for France.
Tata Open Maharashtra 2020: World No 24 Benoit Paire to return for India's only tournament on ATP Tour
The 30-year-old Paire, who touched a career-high ranking of 18 in 2016 and won two ATP titles in 2018, had reached the quarter-finals in the previous edition
Kevin Anderson has not played since losing to Argentine Guido Pella in the third round at Wimbledon and skipped the US Open due to a knee injury.
Laver Cup 2019: Stefanos Tsitsipas set to make debut for Team Europe, Nick Kyrgios named in Team World
Tsitsipas and Kyrgios put on a show in the Citi Open in Washington earlier this month where the Australian outlasted the young Greek in an enthralling semi-final that was decided by a final set tiebreak