KSW 13: Kumite May 7, 2010 Spodek Katowice, Poland KSW Light Heavyweight Title Bout Mamed Khalidov (20-4-1) vs. Ryuta Sakurai (20-15-5) Mariusz Pudzianowski (1-0) vs. Yusuke Kawaguchi (11-1) KSW Light Heavyweight Tournament Semifinals Blachowicz / Brutus vs. Mendes / Orlowski Skibski / Vegh vs. Tabera / Aschugbabjan KSW Middleweight Title Bout Vitor Nobrega (9-2) vs. Krzysztof Kulak (22-12-2) KSW Heavyweight Tournament Final David Olivia (4-0) vs. Konstantin Gluhov (6-4) KSW Light Heavyweight Tournament Quarterfinals Jan Blachowicz (8-2) vs. Julio Brutus (6-0) Antonio Mendes (16-6) vs. Wojciech Orlowski (2-2) Lukasz Skibski (5-1) vs. Attila Vegh (16-2) Daniel Tabera (14-2-3) vs. Grigor Aschugbabjan (4-2)