Andy Murray and Ivan Lendl ended their coaching relationship on Wednesday morning, bringing the curtain down on a highly successful two and a quarter years together.
In that time Lendl achieved his brief of getting the Scot over the line in pursuit of a grand slam title, offering the perfect guidance having himself lost his first four major finals as a player, just like Murray.
Here, Sky Sports looks back at some of the memorable moments from their time working together.
Wimbledon tears, 2012
Murray cried after losing his first Wimbledon final 4-6 7-5 6-3 6-4 to Roger Federer.
The Scot was hoping to become the first British man to win the title since Fred Perry in 1936, but instead it was Federer who made history, equalling Pete Sampras' record of seven Wimbledon titles.
"I'm getting closer," said a tearful Murray.
Making the SW19 showpiece did show, though, that Lendl's work with him was starting to pay off, with Murray having previously fallen at the semi-final stage.
Olympic glory, 2012
Less than a month after his Wimbledon heartache, Murray was back at the All England Club for the London Olympics, which he ended with two medals.
He gained revenge for his defeat at the hands of Federer, triumphing 6-2 6-1 6-4 in front of an ecstatic crowd on Centre Court to become the first Briton to win a men's singles gold medal since 1908 in what he called the biggest win of his life.
By beating Federer in the nearest thing he could get to a grand slam final without being in one, the victory was seen as a significant breakthrough.
Murray also went on to win a silver with Laura Robson in the mixed doubles.
First grand slam, 2012
The Wimbledon tears and Olympic cheers bore fruit at Flushing Meadows as Murray finally won a grand slam title, seeing off Novak Djokovic to lift the US Open trophy.
After taking a two-set lead he found himself level at 2-2 and in danger of imploding as he had before.
He has since spoken of looking himself in the mirror during a toilet break and galvanising himself sufficiently to take the final set 6-2. Lendl was credited with altering Murray's mindset sufficiently for that to happen.
The final took a record-equalling four hours and 54 minutes to complete, eerily matching the time it took Lendl to lose to Mats Wilander in the 1988 US Open final.
Despite Lendl being notoriously difficult to get a smile out of, the lighter side of the pair's relationship was shown in a charity match at Queen's.
Having won the singles title earlier in the day, Murray teamed up with Tim Henman to face Lendl and Tomas Berdych in a fundraiser for cancer sufferer Ross Hutchins.
Perhaps all those long hours on the training court came to the surface as Murray 'playfully' launched a forehand winner into his mentor's body.
"If I'm playing well enough to hit Ivan Lendl with a forehand for the first time ever, I reckon I'm in pretty good shape for Wimbledon," he joked. He was right.
Seventy-seven years of hurt, 2013
For all Murray's heroics overseas, a Wimbledon win was what the British public wanted and, on July 7, they got it as Murray again defeated Djokovic, this time a lot easier with a 3-0 win.
The two 26-year-olds were playing each other in a Grand Slam final for the third time in the last four majors, with Murray triumphing 6-4 7-5 6-4.
His first act after composing himself was to head to Lendl in his corner, the pair sharing a warm embrace that observers of the two guarded individuals had never thought possible.
"He's made me learn more from the losses than I did before and he's always been very honest with me and believed in me when other people maybe didn't," Murray said of the 54-year-old Czech afterwards.