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Thailand's oldest players during the 2001 season, and their age in years and days on the occasion of their final appearance, starting or coming on as a substitute.
For each player age is given in days, and in years and days, from their date of birth.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Tawan Sripan | 29:168 | 10761 | 30 May 2001v Lebanon |
| Kiatisuk Senamuang | 27:292 | 10154 | 30 May 2001v Lebanon |
| Therdsak Chaiman | 27:134 | 9996 | 10 Feb 2001v Sweden |
| Sutee Suksomkit | 22:164 | 8200 | 16 Nov 2000v Malaysia |
| Nirut Surasiang | 22:124 | 8160 | 24 Jun 2001v India |
| Pipat Thonkanya | 22:37 | 8073 | 10 Feb 2001v Sweden |
| Jetsada Jitsawad | 21:38 | 7709 | 10 Sep 2001v Myanmar |
| Narongchai Vachiraban | 20:203 | 7508 | 07 Sep 2001v Laos |
| Phichitpong Choeichiu | 19:13 | 6953 | 10 Sep 2001v Myanmar |
| Datsakorn Thonglao | 17:254 | 6464 | 10 Sep 2001v Myanmar |
| Teeratep Winothai | 16:206 | 6050 | 10 Sep 2001v Myanmar |