Group League Round Robin
| Final Score|
Japan vs Greece is the first round robin match for Group B of the Group League
- Shūji Tanegashima (team captain)
- Kazuya Tokugawa
- Atsukyō Tōno
- Tsukimitsu Ochi
- Kuranosuke Shiraishi
- Shūichirō Oishi
- Akaya Kirihara
- Zeus Iriopourosu (Captain)
- Hermes Kounellis
- Vulcan Raerutiosu
- Thalatta Heracles
- Apollon Stephanoploss
- Orion Stephanoploss
- Papadopoulos Evangelos
- Doubles 2: Tsukimitsu Ochi/Shūichirō Oishi defeated Thalatta Heracles/Papadopoulos Evangelos 7-5
- Doubles 1: Atsukyō Tōno/Akaya Kirihara defeated Apollon Stephanoploss/Orion Stephanoploss 6-4
- Singles 3: Shuji Tanegashima replaces Kuranosuke Shiraishi defeated Zeus Iriopourosu 7-5
- This group match will include Shiraishi's first singles match since the Tiebreaker-Style Elimination Match. However, he does not end up playing since Tanegashima steps in for him.
- Since Tanegashima played in singles 3, Tokugawa would have been presumed to play in singles 1 should he needed to play; while Shiraishi would have played in singles 2.
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