The Earthquakes have a limited roster for their exhibition game Tuesday night at Buck Shaw Stadium against Club Deportivo y Social Vida of Honduras.

Coach Mark Watson said Major League Soccer Players Union officials denied the team permission to help fill out the roster with academy players. As a result, the Quakes must rely on the same 15 players for the third time in seven days while four regulars are on national team duty.

Horse racing

Golden Gate Fields opens its fall meeting Thursday. The 36-day season runs through Dec. 14, and racing will be conducted on a Thursday-through-Sunday schedule. The standard post time is 12:45 p.m.

Women’s soccer

No. 23 Cal lost 3-0 at top-ranked UCLA, as the Bears were outshot 20-4 — 10-1 in shots on goal. UCLA improves to 12-0-2 (4-0-1 Pac-12), and Cal falls to 10-4 and 2-3.

Women’s tennis

Stanford sophomores Taylor Davidson and Carol Zhao will square off in Tuesday’s singles final of the USTA/ITA Northwest Regional Championships at Stanford’s Taube Family Tennis Stadium.

Davidson beat teammate Caroline Doyle 4-6, 6-2, 7-6 (2) in one semifinal Monday, and Zhao pulled away from Cal’s Karla Popovic 4-6, 6-2, 7-6 (2) in the other.

Cal’s Maegan Manasse and Denise Starr will face Golden Bears teammates Klara Fabikova and Zsofi Susanyi in the doubles final.

Staff writer Elliott Almond contributed to this report.