For over 15 years, Tamim Iqbal and Mushfiqur Rahim have been representing Bangladesh's national team in all formats. Their contribution to elevating Bangladesh cricket to new heights is unparalleled. These two are Bangladesh's highest run scorers on the international stage. They are regularly passing each other on the leaderboard of most run getters. These two veterans have the chance to attain special milestones in the ongoing BAN vs SL Series 2022. So, what exactly is this great milestone? Approaching milestones for Tamim Iqbal and Mushfiqur Rahim Tamim Iqbal and Mushfiqur Rahim have a long list of international records and honors. These two seasoned cricketers are on the verge of accomplishing historic feats, which they hope to attain during the BAN vs SL Series 2022. Five Thousand Runs in Test Cricket Middle-order batter Mushfiqur Rahim is currently leading the most Test run scorers chart for Bangladesh with 4,932 runs. He is only 68 runs away from becoming the first Bangladesh player to score 5,000 runs in the Test format. Scoring five thousand Test runs is always a special achievement, which shows the amount of time a player has played the longer-version of cricket. Read Where to Watch BAN vs SL Test Series 2022 Live Streaming from Bangladesh? Mushfiqur made his Test debut against England in May 2005. His highest Test innings is 219 against Zimbabwe in 2018. He is the only Bangladesh batter to have three double hundreds in Tests. Mushfiqur is undoubtedly hoping to reach the milestone in the first match of the BAN vs SL series 2022. On the other hand, the left-hand opener, Tamim Iqbal is in the second position on the most Test run scorers chart for Bangladesh with 4,848 runs. He needs 152 runs to hit the 5,000-run mark in the longer-version format. Tamim Iqbal played his debut Test match away from home against New Zealand in 2008. His best Test innings is 206 against Pakistan. Both players can attain this unique feat in the ongoing first Test at the Zahur Ahmed Chowdhury Stadium in Chattogram. However, the most intriguing factor is who will become the first Bangladeshi to reach the 5,000-run mark in Test cricket. Tamim Iqbal, as an opener, will get an edge over Mushfiqur Rahim. But Mushfiqur can capitalize on an opportunity if Tamim fails with the bat in the first innings. Regardless of who becomes the first player to reach the milestone, both are likely to celebrate their unique achievements at the end of this Bangladesh vs Sri Lanka bilateral Test series. Read BAN vs SL 2022: Bangladesh eye to win the first Test against Sri Lanka Bangladesh's top five run scorers in Tests Player Innings Runs HS Ave 100s Mushfiqur Rahim 148 4,932 219* 36.26 7 Tamim Iqbal 125 4,848 206 39.41 9 Shakib Al Hasan 109 4,029 217 39.50 5 Mominul Haque 95 3,514 181 39.48 11 Habibul Bashar 99 3,026 113 30.87 3    Source: https://www.espncricinfo.com/ Read Australian cricketer Andrew Symonds dies in road crash Bottom Line  Both Tamim Iqbal and Mushfiqur Rahim are crucial for Bangladesh in the BAN vs SL Series 2022. They both have a unique role to play in the contest, which might have a significant effect on the series' outcome. Besides, the opportunity to achieve 5,000 runs in the Test format will surely inspire them to do even better in this bilateral series.