G2 Esports and Natus Vincere each swept their way into the playoff semifinals on Thursday with quarterfinals wins at the Intel Extreme Masters XV – Beijing Online: Europe event.

G2 squared off against FaZe Clan and went to overtime in the very first map prior to taking a 19-17 decision on Dust II. They followed with a 16-8 success on Mirage to eliminate FaZe with a 2-0 win.

Kenny “kennyS” Schrub of France led G2 Esports with 51 kills and a match-best plus-18 kills-to-deaths differential. Norway’s Havard “rain” Nygaard notched 40 eliminates and a net-zero differential for FaZe.

Na’Vi made a little quicker work of their match vs. Astralis, opening with a 16-9 win on Overpass before covering their 2-0 victory with a 16-9 choice on Inferno. Ukraine’s Aleksandr “s1mple” Kostyliev led Na’Vi with 44 eliminates and a plus-23 K-D.

Andreas “Xyp9x” Hojsleth led Astralis’ all-Danish squad 30 eliminates and a minus-3 differential.

The Counter-Strike: Global Offensive tournament started with 16 teams divided into two double-elimination groups. All group-stage and playoff matches are best-of-three other than for the Sunday final, which will be best-of-five. The champ will receive $60,000, 400 ESL Pro Trip points and a berth in the $500,000 IEM XV – Worldwide Obstacle, arranged for Dec. 15-20.

G2 faces Na’Vi in a semifinal match on Saturday.

Quarterfinals action continues Friday when BIG square off with Complexity and Brave fight Team Vigor.

FaZe and Astralis were removed from the event, ending up in the fifth- to eighth-place slot.

Intel Extreme Masters XV – Beijing Online: Europe standings, prize swimming pool and ESL Pro Trip points:

9-12. Team Spirit, MAD Lions, mousesports, Ninjas in Pyjamas, $2,500, 45 points