Polyester $9–12 / set
Power
5
Spin
7
Control
9
Comfort
4
Arm friendliness 2 of 5 Arm 14+ yrs
String brand
Kirschbaum strings
5 Kirschbaum strings rated for junior players: polyester. Germany, since 1987.
Strings reviewed5Polyester
Price per set$7–14USD, typical retail
Arm-friendly0Score 4 or 5 of 5
Youngest age12+Lowest recommended age
About Kirschbaum
Kirschbaum was founded in 1987 by Horst Kirschbaum in Witten, West Germany. The distinctive cherry logo represents the company name, which translates to "cherry tree" in German. Kirschbaum developed their own patents and surface finishing machines in cooperation with tennis players and research institutes, becoming a pioneer of polyester tennis strings. Their Pro Line series became legendary for consistent playability. Grand Slam champion Angelique Kerber uses Kirschbaum strings, along with German Davis Cup players Florian Mayer and Jan-Lennard Struff, Vera Zvonareva, and former world #1 Carlos Moya.
- Pro Line II - soft responsive co-poly with pre-stretch
- Pioneer of polyester tennis strings in Germany
- Competition - maximum control for powerful shots
- Used by Angelique Kerber, Carlos Moya, Jan-Lennard Struff
Brand facts verified 2025-01. Official site: kirschbaumusa.com.
Every Kirschbaum string we cover
Polyester $9–12 / set
Power
4
Spin
7
Control
9
Comfort
4
Arm friendliness 2 of 5 Arm 14+ yrs
Polyester $10–13 / set
Power
7
Spin
7
Control
8
Comfort
6
Arm friendliness 3 of 5 Arm 12+ yrs
Polyester $11–14 / set
Power
6
Spin
9
Control
8
Comfort
5
Arm friendliness 2 of 5 Arm 13+ yrs
Polyester $7–9 / set
Power
6
Spin
7
Control
9
Comfort
5
Arm friendliness 2 of 5 Arm 14+ yrs
At a glance
| String | Type | Power | Spin | Control | Comfort | Durability | Arm | Set price |
|---|---|---|---|---|---|---|---|---|
| Competition | Polyester | 5 | 7 | 9 | 4 | 9 | 2/5 | $9–12 |
| Max Power | Polyester | 4 | 7 | 9 | 4 | 9 | 2/5 | $9–12 |
| Pro Line II | Polyester | 7 | 7 | 8 | 6 | 8 | 3/5 | $10–13 |
| Pro Line Rough | Polyester | 6 | 9 | 8 | 5 | 7 | 2/5 | $11–14 |
| Super Smash Orange | Polyester | 6 | 7 | 9 | 5 | 9 | 2/5 | $7–9 |
Ratings are on a 1–10 scale; arm friendliness on a 1–5 scale.
Kirschbaum head to head
- Babolat RPM Blast Rough vs Kirschbaum Pro Line Rough
- Babolat RPM Team vs Kirschbaum Pro Line II
- Gosen Polylon vs Kirschbaum Competition
- Kirschbaum Competition vs Kirschbaum Max Power
- Kirschbaum Competition vs Luxilon ALU Power
- Kirschbaum Competition vs Solinco Tour Bite
- Kirschbaum Max Power vs Kirschbaum Super Smash Orange
- Kirschbaum Max Power vs Luxilon Big Banger Original
- Kirschbaum Pro Line II vs Prince Tour XP
- Kirschbaum Pro Line II vs Yonex Poly Tour Pro
- Kirschbaum Pro Line Rough vs Luxilon ALU Power Rough
- Kirschbaum Pro Line Rough vs Solinco Hyper-G
- Kirschbaum Super Smash Orange vs Luxilon ALU Power
- Kirschbaum Super Smash Orange vs Signum Pro Poly Plasma
- Kirschbaum Super Smash Orange vs Solinco Tour Bite
Kirschbaum strings: quick answers
What is the most arm-friendly Kirschbaum string?
In our database it is Kirschbaum Pro Line II, with an arm-friendliness score of 3/5 and comfort 6/10. No Kirschbaum string scores 4 or more, so see our arm-friendly list for softer options.
Which Kirschbaum string has the most spin?
Kirschbaum Pro Line Rough, with a spin rating of 9/10 and control 8/10. It is recommended from age 13.
How much do Kirschbaum strings cost?
Typical retail for a single set runs from $7 to $14 across the 5 Kirschbaum strings we cover. Reels lower the cost per restring.
Are Kirschbaum strings good for juniors?
It depends on the string. The youngest recommended age across Kirschbaum's range is 12. Check each string's minimum age, arm score and junior tension advice before you buy.