If you want to WIN, you need to use SPIN. The RPM Rough tennis string gives you great spin.
Babolat RPM Rough (17-1.25mm) String Reel - 660
Kirschbaum Pro Line II 1.25mm 17g Tennis Racquet String 660ft Reel Black for sale online
Babolat RPM Blast (16-1.30mm) Tennis String Half Reel (Black) : Tennis Racket String : Sports & Outdoors
Wilson Tennis Catalogue 2020 by hiker.by - Issuu
Wilson Blade 100 V8 - USTA Pro Shop
Babolat Combo Pack RPM Blast 17 Plus VS 16 Tennis String : Tennis Racket String : Sports & Outdoors
Babolat Tennis String RPM BLAST Rough Power Tennis Racket String Poly Hard Line 12/100/200m Reels 1.25/1.3mm Cyclone 56-59lbs - AliExpress
Babolat 243101 Tennis String 660 ft for sale online
Babolat RPM Blast Rough 16G/1.30 600ft/200m Black : Sports & Outdoors
RPM Blast 17G Large Mesh Professional Durable Polyester Hard Wire Tennis Line Single Root tennis string - AliExpress
Babolat RPM Blast (16-1.30mm) Tennis String Half Reel (Black) : Tennis Racket String : Sports & Outdoors
New BabolaT RPM ROUGH (RPM Blast Rough) 130/16 200M Reel Tennis String, Fluo Red
Babolat RPM Blast (18-1.20mm) Tennis String Set : Tennis Racket String : Sports & Outdoors
Tennis Racquet String Tennis Warehouse Australia
Babolat RPM Rough Dark Grey Tennis String Reel 200m 17gauge – Control the 'T' Sports