TOKYO — Challenger Pongsaklek Wonjongkam of Thailand has defeated Koki Kameda of Japan to win the WBC flyweight title.

Pongsaklek was in control throughout the 12-round bout at Ariake Colosseum on Saturday and punished the 23-year-old Kameda with a series of uppercuts.

Two judges scored the bout 116-112 and 115-112 in favor of Pongsaklek, while a third had it a draw.

The 32-year-old Pongsaklek improved to 75-3-1 with 39 knockouts. Kameda, making the first defense of a title he won in November, fell to 22-1-0.

In an earlier bout, champion Oleydong Sithsanerchai of Thailand retained his WBC minimumweight title with a unanimous decision over Yasutaka Kuroki of Japan.