On Wednesday (early Thursday morning BdST), the Tigers, who have been touring New Zealand since 2001, ended their 32-match wait across all formats for their first-ever victory at the 16th attempt that broke the world champions' 17-match unbeaten run on home soil.
Ebadot had bowled Bangladesh to the brink of a famous victory by the end of the fourth day on Tuesday when he ripped through the Kiwi middle order with figures of 4-39.
Needing a miracle to survive, the home side began the fifth day on 147-5 but lost their last five wickets for only 22 runs. Ebadot broke down the last of the Kiwi resistance with two quick wickets as the hosts were dismissed in their second innings for 169, their lowest score against Bangladesh. Opener Will Young topscored with 69 in the second innings to back up his first-innings half-century.
New Zealand trailed by 130 runs in the first innings, leaving Bangladesh to score only 40 for victory at Bay Oval, Tauranga.
Bangladesh overhauled the target inside 17 overs to pull off an unforgettable triumph. Captain Mominul Haque, top-scorer in the first innings with 88, and former skipper Mushfiqur Rahim were at the crease when Bangladesh reached 42 for the loss of openers Shadman Islam and Najmul Hossain Shanto.
Ebadot finished the game with figures of 6-46 to propel the visitors to just their sixth Test win outside of Bangladesh and their greatest away achievement.
In nine previous Tests in New Zealand, Bangladesh had suffered nine defeats in mostly one-sided contests.
Mominul Haque’s side also became the first Asian side to beat them on their home turf in Tests since Pakistan's 10-wicket victory in Hamilton in January 2011.
Their first-ever win over New Zealand in the longest format of the game puts Bangladesh, who are ranked ninth on the ICC Test standings, 1-0 up in the two-match series with the second and final Test beginning on Sunday in Christchurch.
The Tigers had recovered from some wobbles, when it looked like they might be bungling one of the big upsets, to finish day four on the verge.
At stumps on Tuesday, New Zealand were 147-5 in their second innings, leading by just 17 runs with only five wickets left to stave off a defeat. Bangladesh had built a first-innings lead of 130 after making 458 with four of their top six batsmen scoring half-centuries.
New Zealand were looking for four quick and cheap wickets when Bangladesh resumed on day four at 401-6. But the Tigers added another 57 runs before being all out for 458 with Mehidy Hasan Miraz (47) and Yasir Ali (26) taking their overnight partnership for the 7th wicket to 75.
The Kiwis were bowled out for 328 in their first innings after being sent in to bat, even though Devon Conway made 122 in his first Test on home soil.
COMEDY OF ERRORS
Bangladesh squandered a host of chances the day before, much to the relief of Young and Ross Taylor, playing his 111th and penultimate Test, as they kept the visitors at bay with a third-wicket partnership of 73.
After lunch on the penultimate day, Bangladesh put the Kiwis under pressure with two wickets but Liton Das fluffled an edge from Young, then on 31, off Miraz, who suffered further when Taylor’s sweep was grassed on 17 by Shadman Islam at square leg.
Looking to keep the pressure on, loud appeals from the Bangladesh players eventually resulted in Mominul choosing to throw away reviews.
The first one was a caught-behind shout in which Liton barely joined and the next one was even more outrageous as Taylor clearly dug out a Taskin yorker with the bat, yet was met with a huge appeal and Mominul went straight up for a review. It left Bangladesh without a review for the rest of the innings.
Lady luck once again smiled on Taylor when he was all the way near the strikers’ end. Bowler Ebadot received the throw outside the pitch and messed up the fling to his end, allowing the batsman, who had given up, to cruise in.
But Ebadot then made amends and took out Young, Henry Nicholls and Tom Blundell in rapid succession, and left New Zealand in the mire and his team on the brink.
Ebadot, who found swing early on the final day, picked up where he had left off by smashing through the defences of Taylor (40) and saluted twice to celebrate.
"It's a long story, volleyball player to Test cricketer," Ebadot said. "But I'm a soldier of the Bangladesh Air Force and I know how to salute.
"...when we came to New Zealand we set a goal. We raised our hands and said 'yes, we have to do it and we can do it on New Zealand soil.'
"[If we can beat Test champions on their soil], our next generation will be able to beat them too."
Mominul, who had a restless night before the final day, thinks it was a very important match to win for Bangladesh.
"This could be a sign of our improvement in Test cricket. Everyone supported each other during this match. I have said in the past that playing well collectively is the key to our success."
"We didn't focus too much on the result of the Test matches, we tried to focus on the process."
New Zealand captain Tom Latham said his side had been given a lesson on how to play Test cricket.
"We were short in all three facets," he said.
Bangladesh showed exactly how to operate in the first innings. They put us under pressure. We tried to build partnerships in our second innings but couldn't push the advantage.
"They were able to build partnerships, to bowl well from both ends and build pressure… "They were confident. Full respect to them. They certainly outplayed us throughout the five days."