第 10 集: 團隊在溫布頓展開一年一度的嚴肅練習日，與前輩們一同參與
2015年12月8日 播出
The team's annual "Practice Super Seriously Day" has arrived. While the girls do indeed practice something that resembles tennis, it's still a far cry from "serious practice." (Source: Crunchyroll)
The team's annual "Practice Super Seriously Day" has arrived. While the girls do indeed practice something that resembles tennis, it's still a far cry from "serious practice." (Source: Crunchyroll)