On January 29, the All Japan Table Tennis Championships entered the penultimate day of competition, which decided the final four of the men's and women's singles, as well as the women's doubles and men's doubles champions. Takashi Niwa, Makoto Yoshimura, Kenta Matsudaira and Hayabusa Toue split the men's singles semifinals, while Mimako Ito, Hina Hayata, Miyu Kato and Miyu Kihara occupied the women's singles semifinals. In the women's doubles final, the combination of Ito Mimachi and Hayata Hina successfully won the championship and achieved four consecutive championships in the project. In the men's doubles final, the combination of Tomokazu Jang and Masataka Morien lost 2-3 in five sets to the combination of Yukiya Utada and Hayabusa Tokami, and did not win the championship.
Just during the all-Japan Open, also affected by the epidemic, the Japanese national team women's singles main hirano Miyu double line, in addition to the women's singles competition, she also and Ishikawa Yoshijun partnered in the women's doubles, on January 28, after the two advanced to the women's doubles semifinals, Hirano Miyu had a cold and fever situation, the result of the night nucleic acid test, showing positive, officially diagnosed. As a result, Miyu Hirano and Yoshijun Ishikawa had to withdraw from the competition, and Ishikawa Yoshinori, as a close object, also needed to be isolated and observed. In addition, in the men's doubles match, Yuya Oshima was also diagnosed with new crown on the evening of January 28, and had to retire with her partner Kenta Tian, while their opponents Zhang Benzhi and Masashi Morien directly advanced to the final.
In the men's singles quarterfinals, Takaki Niwa swept Masayuki Yoshida 4-0 with a score of 11-4, 11-9, 11-6, 11-6, Makoto Yoshimura 4-1 Matsushita Daisei 11-7, 11-7, 11-9, 7-11, 15-13, Kenta Matsudaira 4-1 Yoshiyama 11-5, 7-11, 11-9, 11-9, 11-7, Andakami Hayabusa 4-0 Hitoshi Ueda, 11-4, 19-17, 11-6, 11-9. In the semi-finals, Kenta Matsudaira vs Makoto Yoshimura, Takaki Niwa vs Hayabusa Tokami. In the women's singles quarterfinals, Mimachi Ito 4-1 Kimura Mitsubu scored 11-9, 11-7, 11-6, 4-11, 11-5; Hina Hayata 4-1 Nagasaki Mizu, 11-7, 5-11, 11-3, 11-6, 13-11; Miyu Kato 4-2 Sado Ohto, scored 7-11, 11-6, 11-7, 11-9, 5-11, 14-12; Miyo Kihara 4-3 Hitomi Sato, the score was 13-15, 8-11, 8-11 、13-11、11-9、13-11、11-6。 Semi-final matchup, Miyu Kato vs Hina Hayata, Mimachi Ito vs Miyu Kihara.
In the previous mixed doubles final, Hina Hayata and Zhang Benzhi won the championship with her partner, and now she and Ito Mimachi have once again reached the final, facing Song Hye-jae / Cost Ayakai, the two easily won 3-1, with a score of 12-10, 7-11, 14-12, 11-5, to achieve the fourth consecutive championship of the project. Coupled with Hayata's return to the women's singles semifinals, she is expected to impact the Treble. In the men's doubles final, due to the withdrawal of their opponents, the combination of Tomokazu Zhang Ben and Masataka Morien, who were lucky enough to advance to the final, faced Yukiya Utada / Hayasuke Toue, and the result was a five-set loss, but the score was 11-8, 14-12, 5-11, 6-11, 7-11. Due to Zhang Benzhihe's early exit in the singles competition, he ended with 1 championship and 1 runner-up at this year's All Japan Championship.