The ODI series between Bangladesh and Sri Lanka has sparked the interest of tiger cricket fans as for the first time Bangladesh can reach the top in the ICC ODI World Cup Super League if they can whitewash Sri Lanka. Bangladesh will not face a significant challenge in facing Sri Lanka at home, and the expectation is that the Tamim-led team will sweep the Lankans in the series. The series result will have an impact on the ICC rankings as well. This article elaborates on the ODI ranking prediction of Bangladesh and Sri Lanka at the end of the series. Ranking Scenario: BAN vs SL ODI Series 2021 Bangladesh and Sri Lanka will play a three-match One-Day International series starting from May 23. The remaining two matches are scheduled for May 25 and May 28, respectively.  Match Venue Time (Bangladesh Standard Time) 1st ODI Sher-e-Bangla Stadium, Dhaka 2.30 pm 2nd ODI Sher-e-Bangla Stadium, Dhaka 2.30 pm 3rd ODI Sher-e-Bangla Stadium, Dhaka 2.30 pm Sri Lanka lost their last ODI series against the Windies away from home. The host Windies whitewashed the Lankans in that series. So, Sri Lanka will be under pressure to show some effort in the upcoming series which will be really difficult as Bangladesh are a very competitive side in their own backyard.  Interestingly Bangladesh whitewashed the Windies in their last ODI series at home despite the fact that they were humiliated by the Kiwis in an ODI series in New Zealand last March.  Read: Bangladesh vs Sri Lanka: Key ODI Records  The bilateral One-Day International series between Bangladesh and Sri Lanka will be crucial for both teams since the points from each match will be added to the ongoing ICC ODI World Cup super league. The outcome of the series would have an effect on the ICC rankings, especially in the bottom half of the first ten. Sri Lanka will go up to seventh place in the rankings if they win all of their matches against Bangladesh.  According to the latest ICC rankings updates, Sri Lanka is ranked 9th with 79 points, while Bangladesh is ranked 7th with 90 points. If Sri Lanka do well in the series, they will be able to step up in the ICC rankings, while Bangladesh's rankings will not change even if they win all of the matches. However, if the tigers show poor performance against Sri Lanka, they could suffer a drop in the rankings.  It is true that Bangladesh's ranking will not improve if they win the series against Sri Lanka, but they will earn some rating points. Let’s take a look at ICC’s rankings prediction at the end of Bangladesh vs Sri Lanka bilateral ODI series 2021. Read: Shakib Al HasanvsMustafizur Rahman: Who is the most successful player in IPL?  Bangladesh and Sri Lanka's likely ICC One-Day International rankings Bangladesh win by 3-0 Bangladesh will gain four points and their total would be 94, three points behind Pakistan and 12 points ahead of the Windies, who are currently in eighth place. Bangladesh will remain in seventh place. While Sri Lanka's position will remain unchanged, with the exception of a five-point deduction from their rating points.  Bangladesh win by 2-0 Bangladesh's ranking will remain unaffected, but they will gain three rating points. On the other side, Sri Lanka's ranking will remain unchanged but they will lose four important rating points. Bangladesh win by 2-1 Bangladesh's ranking and ratings will remain unchanged. On the other hand, Sri Lanka's ranking will stay intact, but one rating point will be deducted. Series draw 1-1 If the series ends 1-1, there will be no change in the rankings of the two teams. However, one rating point of Bangladesh would be deducted and one point will be added to Sri Lanka. Sri Lanka win by 3-0 Sri Lanka's ICC ODI ranking will improve if they whitewash Bangladesh in the series. Leaving Bangladesh and the West Indies behind, they will move up two places and rise to the seventh position with 86 rating points. On the other hand, Bangladesh would drop to the eighth position after losing seven points.  Sri Lanka win by 2-0 Sri Lanka will leapfrog the Windies into eighth place if they win the series 2-0 against Bangladesh. While Bangladesh will lose 5 valuable rating points. Sri Lanka win by 2-1 The ranking of the two teams will not change. However, Bangladesh will lose 3 points and Sri Lanka will get 3 rating points. Read: Who will host the T20 World Cup and the rest of IPL 2021? Bottom Line While this ICC ODI ranking prediction may not bring joy to Bangladesh cricket fans but a Banglawash against the Lankans will ensure the top spot in ICC ODI World Cup Super League points table. In that sense, this limited-over contest will be crucial for the team tigers' and they must give it their all to win the series.