0.8 | .0 | 10.8 | |- | 1996–97 | Panathinaikos | 20 | | 28.5 | .447 | .391 | .884 | 3.3 | 0.6 | 0.8 | .0 | 12.7 | |- | 1998–99 | Panathinaikos | 17 | | 29.3 | .468 | .410 | .750 | 3.2 | 1.4 | 0.9 | .0 | 11.5 | |- | style="background:#afe6ba;" | 1999–00† | Panathinaikos | 10 | | 22.5 | .528 | .438 | .900 | 1.8 | 0.7 | 0.4 | 0.1 | 7.9 | |- | 2000–01 (SuproLeague) | Panathinaikos | 24 | | 26.5 | .446 | .415 | .800 | 3.4 | 1.2 | 1.0 | 0.1 | 13.4 | |- | style="background:#afe6ba;" | 2001–02† | Panathinaikos | 22 | 13 | 26.0 | .463 | .373 | .810 | 3.0 | 0.7 | 0.9 | 0.2 | 10.2 | 9.1 |- | 2002–03 | Panathinaikos | 17 | 12 | 23.7 | .462 | .436 | .833 | 1.6 | 0.4 | 0.8 | .0 | 9.9 | 6.9 |- | 2003–04 | Panathinaikos | 16 | 6 | 23.7 | .474 | .429 | .826 | 1.9 | 1.1 | 0.3 | 0.1 | 11.2 | 8.4 |- | 2004–05 | Panathinaikos | 20 | 0 | 18.6 | .457 | .478 | .756 | 1.4 | 0.7 | 0.7 | 0.2 | 8.4 | 6.5 |- | 2005–06 | Panathinaikos | 16 | 0 | 17.0 | .500 | .500 | .864 | 1.3 | 0.3 | 0.8 | 0.1 | 8.0 | 6.6 |- | style="background:#afe6ba;" | 2006–07† | Panathinaikos | 11 | 2 | 9.2 | .323 | .304 | .818 | 0.5 | 0.5 | 0.1 | .0 | 3.3 | 0.8 |- | 2007–08 | Panathinaikos | 12 | 1 | 8.3 | .286 | .375 | .259 | 0.8 | 0.3 | 0.3 | 0.1 | 3.0 | 1.6 |- | style="background:#afe6ba;" | 2008–09† | Panathinaikos | 1 | 0 | 3.8 | .000 | .000 | .000 | .0 | .0 | .0 | .0 | .0 | -2.0 |- class="sortbottom" | style="text-align:center;" colspan="2"|Career | 249 || || 23.4 || .450 || .410 || .798 || 2.2 || 0.8 || 0.7 || 0.1 || 9.8 || 6.2 During his club career, Alvertis played in a total of 15 EuroLeague seasons, including the 2000–01 FIBA