WOLVERHAMPTON, England — September 5, 2026 — WAR Fight Series 15 delivered a dramatic night of ISKA championship kickboxing at The Hanger in Wolverhampton, highlighted by a stunning world title victory for the Netherlands’ Sem Van Der Lans.

Presented by Darren Underwood, the event featured England’s Nathan Cook competing for the ISKA World Super-Heavyweight Championship under K-1 Rules. Van Der Lans entered the contest as a late replacement, but quickly turned the unexpected opportunity into the biggest moment of the night.

After a competitive opening, the Dutch fighter produced the decisive finish in the third round, landing a powerful body kick that stopped Cook and secured a major upset victory.

The result crowned Sem Van Der Lans as the new ISKA World Super-Heavyweight K-1 Rules Champion, an impressive achievement made even more remarkable by his late entry into the championship contest.

The stacked main card also produced two new national champions, with Lyes Marinko and Haris Babri each capturing ISKA British titles.

From British championship victories to a dramatic world title upset, WAR Fight Series 15 delivered another memorable night for ISKA Kickboxing in the United Kingdom.

Late replacement. Third-round stoppage. World Champion. Sem Van Der Lans seized his opportunity in Wolverhampton.