Tretorn is the Official Ball of the Challenger Series Tour and the sponsor of the Tretorn SERIE+ consisting of the premier ATP Challenger Series tournaments – all with prize money of $100,000 or greater. The Tretorn SERIE+ thus unifies an elite series of tournaments across much of Europe, as well as Asia and North Africa. Much like the ATP Masters 1000 events has done with top-tier ATP tournaments, the SERIE+ will provide cohesive branding to each event.
Net Signage |
Ball Can |
Tretorn Booth |
| 2011 Tretorn SERIE+ Tournament Schedule | ||||||
| Week | Location | Event Title | Official Website | |||
| Jan 31 | Kazan, Russia | Kazan Kremlin Cup | www.kazancup.ru | |||
| Jun 27 | Torino, Italy | Sporting Challenger | www.sporting.to.it | |||
| Jul 4 | Scheveningen, Netherlands | The Hague Open | www.thehagueopentennis.nl | |||
| Jul 4 | Pozoblanco (Cordoba), Spain | Open Diputacion Ciudad Pozoblanco | www.tennispozoblanco.com | |||
| Jul 11 | Sopot, Poland | BNP Paribas Polish Open | www.bnpparibaspolishopen.pl | |||
| Jul 18 | Poznan, Poland | Poznan Porshe Open | www.porscheopen.pl | |||
| Aug 1 | Segovia, Spain | ATP Open Castilla y Leon | www.teniselespinar.com | |||
| Aug 8 | San Marino, Rep. of San Marino | San Marino CEPU Open | www.atpsanmarino.com | |||
Aug 15 |
Cordenons, Italy | Zucchetti Kos Tennis Cup - Internazionali del Friuli Venezia Giulia |
www.euro-sporting.it/challenger | |||
| Sep 12 | Szczecin, Poland | Pekao Szczecin Open | www.pekaoopen.pl | |||
| Oct 3 | Mons, Belgium | Ethias Trophy | www.ethiastrophy.be | |||
| Nov 14 | Bratislava, Slovakia | Slovak Open 2011 | www.slovakopen2011.sk | |||
| Nov 14 | Salzburg, Austria | Salzburg Indoors | www.salzburgindoors.at | |||
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