| | align=center| 1 | align=center| 1:52 | Yokohama, Japan | |- | Win | align=center| 16–4–2 (1) | Matt Trihey | Submission (armbar) | Pancrase: Proof 4 | | align=center| 1 | align=center| 1:11 | Tokyo, Japan | |- | NC | align=center| 15–4–2 (1) | Alex Stiebling | No Contest (Kikuta was cut by an accidental headbutt) | Pancrase: Proof 1 | | align=center| 1 | align=center| 3:11 | Tokyo, Japan | |- | Win | align=center| 15–4–2 | Kazuo Takahashi | Submission (arm-triangle choke) | Pancrase: Trans 7 | | align=center| 1 | align=center| 7:22 | Tokyo, Japan | |- | Loss | align=center| 14–4–2 | Murilo Bustamante | Decision (unanimous) | Pancrase: Trans 6 | | align=center| 1 | align=center| 15:00 | Tokyo, Japan | |- | Win | align=center| 14–3–2 | Ichio Matsubara | Submission (armlock) | Pancrase: Trans 4 | | align=center| 1 | align=center| 2:13 | Tokyo, Japan | |- | Win | align=center| 13–3–2 | Eugene Jackson | Submission (armbar) | UFC 25 | | align=center| 1 | align=center| 4:38 | Tokyo, Japan | |- | Win | align=center| 12–3–2 | Ryushi Yanagisawa | Decision (unanimous) | Pancrase: Trans 2 | | align=center| 1 | align=center| 15:00 | Osaka, Japan | |- | Win | align=center| 11–3–2 | Minoru Suzuki | TKO (arm-triangle choke) | Pancrase: Breakthrough 11 | | align=center| 1 | align=center| 2:39 | Yokohama, Japan | |- | Draw | align=center| 10–3–2 | Travis Fulton | Draw | Pancrase: Breakthrough 9 | | align=center| 1 | align=center| 15:00 | Tokyo, Japan | |- | Win | align=center| 10–3–1 | Eddy Millis | Submission (punches) | Pancrase: 1999 Anniversary Show | | align=center| 1 | align=center| 1:57 | Urayasu, Japan | |- | Win | align=center| 9–3–1 | Takafumi Ito | Decision (unanimous) | Pancrase: Breakthrough 7 | | align=center| 2 | align=center| 3:00 | Tokyo, Japan | |- | Win | align=center| 8–3–1 | Eric Gedek | Submission (rear-naked choke) | Pancrase: Breakthrough 6 | | align=center| 3 | align=center| 1:20 | Tokyo, Japan | |- | Loss | align=center| 7–3–1 | Paul Jones | Decision (unanimous) | Shooto: Las Grandes Viajes 6 | | align=center| 3 | align=center| 5:00 | Tokyo, Japan | |- | Draw | align=center| 7–2–1 | Daijiro Matsui | Draw (time limit) | PRIDE 4 | | align=center| 3 | align=center| 10:00 | Tokyo,