The ERSA Exams

CS - Certified Stringer

• 90 Minutes written test (60-65 questions).
• 60 Minutes to string a racket with Hybrid stringing (syn gut/nat gut) including putting tubing or a single grommet in during the stringing test.
• 20 Minutes to change grommets & protector.
• 20 Minutes to increase handle size and put a base grip on.

MRT- Master Racket Technician

• 90 Minutes written test (60-65 questions).
• 60 Minutes to string a racket with Hybrid stringing (syn gut/nat gut) including putting tubing or a single grommet in during the stringing test.
• 20 Minutes to change grommets & protector.
• 20 Minutes to increase handle size and put a base grip on.
• Find the balance point on a racket and answer where to put weight for certain things, such as stability, maximum swing weight, change weight with same balance.

PTS - Pro Tour Stringer Level 1

• 60 Minutes to string 3 rackets with a polyester type string, 2 knots, same DT (plus/minus 1 point)
• 30 Minutes (max) to string 1 racket with natural gut, 2 knots.
• 60 Minutes to match 2 rackets with lead tape.