The Tokyo Metropolitan Government said it plans to also open up other Olympic venues in the coming months, although that could change depending on the coronavirus situation.
Three contenders for the women's singles title at the Australian Open.
Tokyo's grand opening on Friday will have none of that splendour or grandiosity.
Putting up yet another dominating performance, defending champions Sania Mirza and Cara Black outclassed Jelena Jankovic and Arantxa Parra Santonja 6-3, 6-2 to reach the summit clash of the WTA Toray Pan Pacific Open, in Tokyo on Friday.
Rafa Nadal had to dig deep after coming under heavy fire from Colombia's Santiago Giraldo in a brutal 7-6, 6-3 quarter-final victory at the Japan Open on Friday.
Second seed Andy Murray flirted with disaster before beating nemesis Marcos Baghdatis 7-6, 2-6, 6-4 in a cliffhanger to reach the last 16 of the Japan Open on Wednesday.
A series of recent scandals engulfing officials working on the opening ceremony of the Tokyo 2020 Games
Rising Indian shuttler P V Sindhu has broken into the world's top 20 in the latest badminton rankings following her giant-killing exploits at last week's China Masters.
World number one Novak Djokovic blasted past qualifier Alexei Popyrin 6-4, 6-2 to reach the second round of the Japan Open Tennis Championships in Tokyo.
Top seeds Leander Paes and Lukas Dlouhy entered the semi-finals with a 6-2, 7-6 (4) win over Alexander Peya and Philipp Petzschner.
India's Sania Mirza and Zimbabwe's Cara Black entered the final of the WTA China Open, shocking top seeds Sara Errani and Roberta Vinci of Italy 6-4, 6-4 on Friday. In doing do they extended their unbeaten run to eight matches, and Sania put herself in line for her fifth title of the season.
Former World No 1 Ana Ivanovic brushed aside Caroline Wozniacki to win the Pan Pacific Open in Tokyo on Sunday and move closer to sealing a berth for the season-ending WTA finals in Singapore.
World No 1 Novak Djokovic maintained his perfect tournament record and advanced to his fifth China Open final with a 6-3, 6-4 victory against Andy Murray on Saturday.