- Rafael Nadal (Dai-Yokozuna)
- Bianca Andreescu (Maegashira)
New Career Sanyaku Rank:
- Danil Medvedev, the 76th Male Sekiwake of the Open Era
- Elina Svitolina, the 48th Female Sekiwake of the Open Era
- Bianca Andreescu, the 49th Female Sekiwake of the Open Era
- Matteo Berrettini, the 91st Male Komusubi of the Open Era
- Belinda Bencic, the 68th Female Komusubi of the Open Era
| Player (career rank if different) | To | From |
|---|---|---|
| Promotions | ||
| Elina Svitolina | Sekiwake | Komusubi |
| Danil Medvedev | Sekiwake | Maegashira |
| Bianca Andreescu | Sekiwake | Maegashira |
| Matteo Berrettini | Komusubi | Maegashira |
| Belinda Bencic | Komusubi | Maegashira |
| Demotions | ||
| Madison Keys | Sekiwake | Ozeki |
| Sloane Stephens | Sekiwake | Ozeki |
| Ashleigh Barty | Sekiwake | Ozeki |
| Kei Nishikori | Komusubi | Sekiwake |
| Marin Cilic (ex-Ozeki) | Maegashira | Komusubi |
| Juan Martin del Potro (ex-Ozeki) | Maegashira | Komusubi |
| Dominik Thiem (ex-Sekiwake) | Maegashira | Komusubi |
| Marketa Vondrousova (ex-Sekiwake) | Maegashira | Komusubi |
| Barbora Strycova | Maegashira | Komusubi |
Kinboshi:
("gold star" - prize awarded to a non-sanyaku ranked competitor for beating an active Yokozuna):
- Stan Wawrinka (ex-Ozeki) - for beating Dai-Yokozuna Novak Djokovic in Round 4
- Grigor Dimitrov (ex-Komusubi) - for beating Dai-Yokozuna Roger Federer the quarterfinals
- Bianca Andreescu - for beating Dai-Yokozuna Serena Williams in the final
- Belinda Bencic - for beating Yokozuna Naomi Osaka in Round 4
Other noteworthy developments:
- Dai-Yokozuna Serena Williams falls again short in a Grand Slam final - her fourth final loss in the last six tournaments - and thus remains #2 in our merit-based Open Era ranking.
- Dai-Yokozuna Rafael Nadal wins his 19th slam and is now just one title short of fellow Dai-Yokozuna Roger Federer.
- Yokozuna Naomi Osaka goes out early in the third slam in a row, and needs to reach the semifinals at the Australian Open to remain an active Yokozuna
- Sloane Stephens, Madison Keys and Ashleigh Barty all lose before the quarterfinals and get demoted to Sekiwake. They are Sekiwake-Ozeki though and can regain Ozeki rank with a seminfinals at the 2020 Australian Open. Ozeki Simona Halep goes kadoban (needs to reach the quarterfinals at the Australian Open to hold rank).
- Johanna Konta holds Sekiwake rank with a quarterfinal participation.
- Danil Medvedev is the second Medvedev to get promoted to Sekiwake - the first was Andryi Medvedev in 1999.
- Ex-Komusubi Gael Monfils reaches another quarterfinal and equals now Tim Mayotte as the most succesful male Komusubi of the Open Era.
