For 2.6-3.5+ rated players. The perfect Christmas blend of tennis and fitness or is it fitness and tennis? Intensity and ultra-fast paced action take center stage in this drill. Here you will experience the ultimate mix of cardio-focused drills and lightning-quick point play. SURGE is also known as Cardio Tennis, but without the non-tennis activities, just hitting tennis balls and playing points AND the coach's fabulous Christmas playlist.