| Birthday | 28. September 1972 |
| Place of birth | Wiener Neustadt |
| Club | SVS Lower Austria |
| Supplier | Tamasu Butterfly Europe |
| 1987 | Youth European Championships in Athen: Bronze (double with Karl Jindrak) |
| 1989 | Youth European Championships in Luxemburg: Bronze (double with Karl Jindrak) |
| 1998 | European Championships in Eindhoven: Bronze (double with Karl Jindrak) |
| 1999 | World Championships in Eindhoven: bronze (single) |
| 2000 | European Championships in Zagreb: bronze (single), bronze (mixed double with Liu Jia), bronze (team with Chen Weixing, Qian Qianl, Robert Gardos, Karl Jindrak) |
| 2002 | European Championships in Zagreb: bronze (single), bronze (mixed double with Liu Jia), bronze (team with Chen Weixing, Qian Qianl, Robert Gardos, Karl Jindrak) |
| 2003 | European Championships in Courmayeur: gold (double with Krisztina Toth) World Championship in Paris: gold (single) |
| 2003 | World championships in Paris: Gold in Men’s Singles |
| 2005 | European Championships in Aarhus: gold (double with Karl Jindrak), silver (team with Chen Weixing, Robert Gardos, Kostadin Lengerov, Karl Jindrak), bronze (mixed double with Liu Jia) |
| 2007 | European Championships in Belgrad: bronze (double with Patrick Chila) |
| 2008 | Europe Top 12 in Frankfurt: Winner European Champions League (2007/2008): Winner (with SVS Lower Austria) Olympics: 4.place men team European Championships in St. Petersburg: bronze (single), silver (double with Trinko Keen), bronze (team) |
| 2009 | European Championships in Stuttgart: silver (single), bronze (team) |
| 2010 | European Championships in Ostrava: bronze (single) |
| 2011 | European Championships in Gdansk: bronze (team) |
| 1999 | Xiaolan (China): 2.place |
| 2000 | Alassio: 1. |
| 2003 | Saarbrücken: 3. |
| 2004 | Frankfurt: 2. |
| 2006 | Kopenhagen: 2. |
| 2008 | Frankfurt: 1. |
| 1996 | Atlanta |
| 2000 | Sydney |
| 2004 | Athen |
| 2008 | Peking |
Werner Schlager was the only player worldwide who reached the final tournament of the 16 best players throughout the world ever since the Pro Tour has existed (1996-2007). Moreover, the double Karl Jindrak and Werner Schlager achieved the Pro Tour final tournament (as the only double ever) each year between 1996 and 2005.
In 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Werner Schlager was Austrian Champion (single).
In 1990, 1991, 1992, 1995, 1996, 1998, 1999, 2001, 2003, 2004, 2005 Werner Schlager (together with Karl Jindrak) was state champion (double), 2006 with Chen Weixing.
In 1994 (with Karin Albustin), in 1997 (Karin Albustin), 2001 (Judith Herczig)
In 2002 (Liu Jia), in 2004 (Judith Herczig): Gold in national championships (mixed double).
Werner Schlager (with SVS Lower Austria) reached the finals of the European Champions League five times (2000, 2001, 2002, 2007, 2008).