Here is a list of Peeters's best fights. For a list of Peeters's losses, refer to "Willie Peeters Losses".
On August 24, 1996 Willie Peeters faced off against Wataru Sakata at age 30. He was coming in with a record of 5-2 (4), and Sakata was 23 years old and with a record of 0-2 (0). Peeters stopped Wataru Sakata via submission.
On February 6, 2000 Willie Peeters faced off against Yasuhito Namekawa at age 34. He was coming in with a record of 9-9-1 (7), and Namekawa was 25 years old and with a record of 7-4-1 (4). Peeters stopped Yasuhito Namekawa via TKO.
On February 8, 1998 Willie Peeters faced off against Wataru Sakata at age 32. He was coming in with a record of 8-5 (6), and Sakata was 24 years old and with a record of 2-3 (2). Peeters won the fight via 2-round unanimous decision.
On February 19, 1995 Willie Peeters faced off against Masayuki Naruse at age 29. He was coming in with a record of 1-0 (0). Peeters won the fight via 1-round unanimous decision.