| Ariel Mastov | |
| Other Names: | The Shadow |
| Nationality: |  Israeli |
| Birth Date: | February 4, 1975 |
| Birth Place: | Uzbek SSR, Soviet Union |
| Fighting Out Of: | Los Angeles, California, U.S. |
| Height: | 1.80NaN0 |
| Weight: | 95kg (209lb) |
| Weight Class: | Heavyweight |
| Style: | Kobukan karate |
| Team: | Legends Gym |
| Years Active: | 1999–present |
| Kickbox Win: | 11 |
| Kickbox Kowin: | 7 |
| Kickbox Loss: | 2 |
| Kickbox Koloss: | 1 |
Ariel Mastov (born August 10, 1975; Hebrew: אריאל מסטוב) is an Israeli kickboxer and former 8 times WPKA Kobukan Karate champion, currently competing in K-1 fighting circuit.[1]
Ariel Mastov was born in Uzbekistan and grew up in Ashdod, Israel. In 2003 he immigrated to the United States, settling in Los Angeles, California. He is training at Legends Gym in Hollywood.
On August 12, 2006 Mastov made his K-1 debut at K-1 World GP 2006 in Las Vegas II against Michael McDonald as a late substitute for scheduled fighter Jeremy Williams who was not cleared to fight by Nevada State Athletic Commission. Mastov lost the bout via unanimous decision.[1]
On August 11, 2007 Ariel was scheduled to participate on his second K-1 tournament at K-1 World GP 2007 in Las Vegas, but due to last minute pullout by Chalid Arrab he was replaced to fight Petr Vondracek on one of the Superfights, winning the bout by KO (spinning heel kick).[2]
| 11 Wins (7 (T)KO's, 4 decisions), 2 Losses (1 (T)KO, 1 decision) | ||||||
| Date | Result | Opponent | Event | Method | Round | Time |
| 2008-09-12 | Loss |  Freddy Kemayo | K-1 Slovakia 2008, Bratislava, Slovakia | TKO (Doctor stoppage) | 1 | N/A |
| 08/11/2007 | Win |  Petr Vondracek | K-1 World GP 2007 in Las Vegas | KO (Spinning heel kick) | 3 | 1:52 |
| 08/12/2006 | Loss |  Michael McDonald | K-1 World Grand Prix 2006 in Las Vegas II | Decision (Unanimous) | 3 | 3:00 |
| 04/27/2003 | Win |  Shinichi Hasegawa | 18th WPKA Kobukan Karate championships, Japan | Decision | 3 | 3:00 |
| 10/14/2002 | Win |  John Dickson | 17th WPKA Kobukan Karate championships, Japan | KO (Punches) | 1 | N/A |
| 10/14/2002 | Win | Shinichi Hasegawa | 17th WPKA Kobukan Karate championships, Japan | Decision | 3 | 3:00 |
| 03/31/2002 | Win | Thomas Sims | 16th WPKA Kobukan Karate championships, Japan | Decision | 3 | 3:00 |
| 03/26/2000 | Win | Thomas Sims | 14th WPKA Kobukan Karate championships, Japan | KO (Punches) | 3 | N/A |
| 03/26/2000 | Win |  Roman Monastirsky | 14th WPKA Kobukan Karate championships, Japan | Decision | 3 | 3:00 |