$9-12 Per Set
16, 17 Gauges
high Stiffness
14+ Min Age

Performance Ratings

power 5/10
spin 7/10
control 9/10
comfort 4/10
durability 9/10
tension Maintenance 7/10

Junior Player Guide

For Parents
Arm Friendliness Low
Cost Effectiveness Great value

Recommended Level

advancedelite

Tension for Juniors

46-52 lbs for juniors. String 1-3 kg lower than typical poly tensions.

Gauge Recommendation

17 for best feel. 16 for maximum durability.

Overview

Kirschbaum Competition is one of the original German polyester strings, designed for maximum control of powerful shots. With extreme durability and great tension maintenance, it's particularly suited for open string patterns. The manufacturer advises reducing tension by 1-3 kg compared to traditional polyester strings for optimal comfort and playability. This is a classic control string for players who generate their own power.

Best For

  • Control-oriented advanced players
  • Heavy hitters who break strings
  • Players generating their own power
  • Open string pattern racquets

Not Ideal For

  • Arm-sensitive players
  • Those needing power assistance
  • Beginners and intermediates
  • Players seeking comfort

Pros

  • + Maximum control for big hitters
  • + Excellent durability
  • + Great tension maintenance
  • + Outstanding value
  • + Ideal for open string patterns

Cons

  • Very stiff - not comfortable
  • Low power
  • Not arm-friendly
  • Requires advanced technique

Specifications

Type polyester
Construction Round co-polyester monofilament
Gauges 16, 17
Colors Yellow, Black
Set Price $9-$12
Reel Price $85-$105

Used By

Florian MayerVarious German club players

Hybrid Setup Ideas

  • Kirschbaum Touch Multifibre crosses
  • Wilson NXT crosses
  • Natural gut mains

Stringer Notes

String 1-3 kg lower than typical poly. Extreme durability - great for string breakers.

Break-in Period

1-2 hours for full break-in.

When to Replace

Every 20-25 hours thanks to durability.

Sources

Data verified January 2025

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