As for the Tag League the Best, she made her first appearance at the 1992 edition where she teamed up with Bat Yoshinaga and scored a total of three points after competing against the teams of Aja Kong and Kyoko Inoue, Manami Toyota and Toshiyo Yamada, Debbie Malenko and Sakie Hasegawa, Suzuka Minami and Yumiko Hotta, Takako Inoue and Terri Power, Las Cachorras Orientales (Etsuko Mita and Mima Shimoda), Miori Kamiya and Kaoru Ito, and Erica Tsuchiya and Yukari Maedomari.[10] She scored the best result at the 1995 edition where she teamed up with Kyoko Inoue by topping the league with a total of ten points by outmatching the teams of Kaoru Ito and Manami Toyota, Reggie Bennett and Yumiko Hotta, Aja Kong and Takako Inoue, Akira Hokuto and Mima Shimoda, Dream Orca (Etsuko Mita and Toshiyo Yamada), Mariko Yoshida and Sakie Hasegawa, and Chaparita Asari and Yoshiko Tamura, after which they would defeat Ito and Toyota in the finals to win the whole competition.[12] She marked her last appearance at the 2004 edition which was held under a round-robin tournament system, where she teamed up with Emi Tojo and fell short to Kana and Yumiko Hotta in the first rounds.The match also involved various other notable opponents such as Tsukasa Fujimoto, Kaoru Maeda, Chigusa Nagayo, Carlos Amano, Asuka, Tequila Saya, Tsubasa Kuragaki and many others.She made her first appearance in the Catch the Wave tournament at the 2021 edition where she fought in the "Jealousy Block", scoring a total of three points after competing against Kaori Yoneyama, Yumi Ohka and Yako.[26] At Joshi Pro Osaka Assemble ~ Grand Finale, a semi-independent event held on October 14, 2019, Watanabe competed in a battle royal won by Syuri and also involving Cherry, Hanako Nakamori, Maria, Miyuki Takase, Nagisa Nozaki, Sakura Hirota, Takumi Iroha, Yuki Miyazaki and others.
Watanabe (right) and
Kaoru Ito
as "Team Black" at a Marvelous event in January 2022