Originally Posted by anubis
Have two racquets strung with these two types of strings. have the coach observe his footwork, timing and hand eye coordination. If they are precisely the same, then ask the coach for his professional opinion as to why he's getting such different results.
What if the coach says its because of the strings?
Wilson PS (2014) 90 - Wilson Pro Overgrip - 13 ounces
Wilson Gut 16 / Luxilon ALU Power Rough 16L 50/48 pounds