Ayaka Yamamoto, San Francisco Firebells infielder

Ayaka Yamamoto is an infielder (#6) for the San Francisco Firebells. She was a Round 2, Pick 4 signing, from Fukuyama, Japan. We only write what the official pages already say. More names: players. This page is about the WPBL baseball player, not the idol of the same romanized name.

Season final (checked Oct. 1, 2026): San Francisco went 10–5 in the regular season (#1 seed), beat Boston 2–0 in Semifinal A, and lost the Championship to Los Angeles 3–2. Her official 2026 regular-season line: 6-for-12 (.500) in 5 G. Team page: San Francisco Firebells roster. All teams: WPBL teams.

San Francisco Firebells, 2026

• Team: San Francisco Firebells
• Position / number: IF, #6 — the official SF roster and official player page list IF, #6 (checked Oct. 1, 2026). Both listed 3B earlier, as did the official Round 2 draft recap. Not a featured card on the official SF team page.
• Status: Signed · Round 2, Pick 4
• Hometown on the roster: Fukuyama, Japan
• Bats / throws: R / R (official roster and player page)

The official player-page bio says she is from Fukuyama, Hiroshima Prefecture, honed her skills at Okayama Gakugeikan High School in Okayama, was inspired by her older brother, and currently resides in Setouchi, Okayama Prefecture. Live official SF roster hometown is Fukuyama, Japan. The official Round Two draft recap listed the pick as Ayaka Yamamoto, 3B, Fukuyama (Japan), and described a third baseman with a backyard start with her older brother, professional ambitions, and a stated desire to inspire children. ESPN’s league explainer lists her as San Francisco 3B.

Official 2026 regular-season line (official player page, checked Oct. 1, 2026): 5 G, 12 AB, 5 R, 6 H, 1 BB, .500 AVG / .571 OBP / .500 SLG. For anything newer, use the official player page or stats.womensprobaseballleague.com.

Notable 2026 mentions

In an Oct. 18, 2026 Sanyo Shimbun profile (headline: she contributed to the runner-up finish in U.S. women’s pro baseball), Yamamoto is described as the third baseman of the Setouchi Blue Shines, a women’s hardball club in Setouchi, Okayama. “Everything I saw was fresh and stimulating,” she told the paper (translated). The official WPBL recaps we have don’t mention her by name.

Firebells teammates: Alexia Jorge · Amanda Gianelloni · Andréanne Leblanc · Ela Day-Bédard · Hinano Beppu · Jill Albayati · Joely Leguizamon · Jua Park · Kelsie Whitmore · Liz Gilder · Niki Eckert · Rosi del Castillo · Samantha Gutierrez · Skylar Kaplan.

Firebells notes: San Francisco. Watch: how to watch.