Bangladesh ended the penultimate day of the Galle Test as the happier of the two sides thanks to opener Shadman Islam's 76 and skipper Najmul Hossain Shanto's unbeaten 56 as the visitors have reached 177-3 at stumps to lead Sri Lanka by 187 runs heading into the final day.
The 40-year-old was indicted before the High Court in the southern city of Hambantota on match-fixing charges relating to a local tournament in 2020.
Mathews, who made his Test debut at the same venue against Pakistan in 2009, has been a cornerstone of Sri Lankan cricket for over 15 years, excelling as both an all-rounder and a leader.
This series win crowns a strong three months for Sri Lanka under new head coach Sanath Jayasuriya.
Sanath Jayasuriya was appointed Sri Lanka cricket head coach on Monday, replacing Chris Silverwood who quit following the country's early exit from the T20 World Cup.
Shanaka, who led Sri Lanka to victory in the 2022 T20 Asia Cup, was replaced as captain by Wanindu Hasaranga in December following the team's poor showing in the last three white-ball World Cups.
Sri Lanka were in dire straits at 6-3 after skipper De Silva won the toss, losing their first three wickets for no runs in 10 balls.
Dilshan Madushanka has been named as Thushara's replacement in the squad while Asitha Fernando has been named as Chameera's replacement.
The 26-year-old all-rounder quit following Sri Lanka's early exit from the T20 World Cup in June.
"The ICC suspension of Sri Lanka is illegal. We have been maliciously suspended without giving us an opportunity to respond to the allegation," Ranasinghe told reporters in the capital Colombo.
The International Cricket Council (ICC) suspended Sri Lanka's cricket board Friday, saying it had failed to ensure there was no government interference in its affairs.
It was the latest development in a crisis involving the cricket board -- the richest sporting organisation in the bankrupt island country -- that came to a head after Sri Lanka's humiliating World Cup defeat by India last week.
Sri Lanka's Court of Appeal quashed the sports minister's decision to sack the country's crisis-ridden cricket board and restored the expelled officials on Tuesday pending a full hearing.
The country's 1996 World Cup-winning skipper Arjuna Ranatunga has been appointed chairman of a new interim board, Ranasinghe's office said in a statement.
A top Sri Lanka cricket official quit Sunday after the country's sports minister Roshan Ranasinghe called for the cricket board to resign, accusing them of corruption following a record World Cup defeat
Minister Roshan Fernando and the national cricket board -- the richest sporting body in the country -- have been at loggerheads over corruption allegations for months
Theekshana credited Mathews and player of the match Lahiru Kumara (3-35) for getting them back on track after England made a good start
The 32-year-old batsman was arrested in November last year just hours after his country lost to England in their final Twenty20 World Cup match in Australia.
"Despite our promising start, we deeply regret not being able to sustain it, resulting in us being limited to a score of 209 runs," Nissanka told reporters on Monday.