Following the promotion from the Belgian Second Division on 26 May 2015 by virtue of winning the play-offs, only few players were deemed capable of competing at the highest level.[2] The squad consisted of many decent players, but at least ten new players would need to be signed and only former Belgian international goalkeeper Logan Bailly and young wingback Dion Cools were often named as having sufficient skills. Both players would leave OH Leuven throughout the summer however, as Bailly was signed as a back-up for Craig Gordon by Scottish giants Celtic,[3] while 19-year-old Cools was signed by Club Brugge because of his great potential.[4] Other departures included fan favorite Kenny Thompson and striker on loan Giuseppe Rossini who had both announced their departure before the promotion was achieved [5][6] while secondary striker Ibrahim Somé[7] and young goalkeeper Senne Vits[8] also left the team soon after the promotion as they were signed by WS Brussels and Standard Liège respectively. The contracts of Abdul-Yakuni Iddi, David Wijns and Ben Yagan were not renewed and the players released, while youngster Simon Bracke was loaned to Second Division team ASV Geel[9] and defender Matthias Trenson was given a free transfer to Belgian Third Division team Hasselt.[10]
In the weeks prior to the winter 2015–16 transfer window, OHL signed free agent player Jean Calvé as a backup for Pierre-Yves Ngawa [24] while releasing midfielder Kevin Tapoko after his contract was terminated by mutual consent,[25] while during the transfer window itself defender David Vandenbroeck opted to leave the team as he did not receive much playing time.[26] He was replaced by experienced Brazilian defender Kanu[27] who already knew the Belgian competition after playing three seasons with Standard Liège earlier in his career. OH Leuven had also announced the arrival of Serbian midfielder Marko Poletanović on loan from Gent,[28] however the deal did not materialize as the player did not agree to the transfer.[29] Towards the end of the transfer window, youngster Charni Ekangamene was loaned from Zulte Waregem instead.[30]
In the month following the promotion to the Belgian Pro League, OH Leuven renewed partnerships with several of its sponsors. They first confirmed extended partnerships with Rayden Transport,[33] Tegelconcept,[34] GMS-Group[35] and Dataflow[36] before announcing Just Eat as the new lead shirt sponsor replacing Option, the company led by former OHL chairman Jan Callewaert.[37] A few weeks later, Federale Verzekering also prolongs its sponsorship agreement,[38] followed by Eneco, coming in as a new sponsor at the start of season.[39] Meanwhile, Patrick De Wilde was brought into the staff as technical coordinator[40] and the players are required to return to training on 22 June 2015.[41]
On 8 June 2015, the Belgian Pro League fixtures for the 2015–16 season are announced. Oud-Heverlee Leuven opens the season with an away match to Genk on 25 July 2015, while Anderlecht will be the first opponent to come and play at Den Dreef on matchday 2.[42] One week later, the appointed commission of the Royal Belgian Football Association approves the planned reform of the Belgian football league system which will mean that in contrast to the previous seasons only the team finishing in last position will relegate from the Belgian Pro League, while the team in 15th place will be safe.[43]
OHL kicks of the series of friendlies with three matches against local teams from lower divisions. The first game results in a 0-12 victory away to sixth division team Linden, a match in which no less than 21 players were used. Five players did not play due to minor injuries, including Logan Bailly, Yohan Brouckaert and newcomers Romero Regales and Jordan Remacle.[44] Four days later against a very defensive Kortenberg, also playing in the sixth division, the match went much more difficult, with OHL only managing to score two goals prompting coach Jacky Mathijssen to state that "it was a bit dull" and that "he expected more of his players".[45] Three days later, at temperatures close to 30 degrees Celsius, the team beat Bierbeek from the fifth division by four goals to one.[46] Following a week of training, OHL lost its first match of the season away to Belgian Second Division team Heist, with John Bostock scoring the consolation goal from a penalty kick,[47] which was followed by a 0-3 win against Cercle Brugge three days later, with Jovan Kostovski working hard and scoring twice.[48] On 15 July 2015, a 1-1 draw was obtained against Belgian Fourth Division team Tessenderlo in a match which featured mostly the players that had not received much playing time thus far, including a first starting lineup position for new striker Romero Regales. Following the match, assistant coach Hans Vander Elst states that "except for Yohan Brouckaert, everyone will be fit for the start of the season".[49] Named as the dress rehearsal match, the friendly against Differdange from Luxembourg was seen as the final test to prepare for the start of the competition. Jordan Remacle scored twice before halftime, while Croizet, Houdret, Regales and Sula each added one more goal in a convincing 1-6 away win.[50]
OH Leuven were drawn at home to Belgian Second Division side Lommel United in the sixth round of the 2015–16 Belgian Cup. The game saw four players score against their former team, as Cerigioni, Trossard and Regales each scored in the first half for OH Leuven while on the other side former OHL player Wouter Scheelen scored through a stunning long range shot. Christophe Bertjens scored the second goal for Lommel United in the second half and after OHL failed to score following several opportunities, Brandon Deville nearly equalized in the last minute but his shot went high over the target which allowed OHL to progress.[52] The seventh round saw OH Leuven play away at Mouscron-Péruwelz, in a game which took place just three days before the important relegation clash against Westerlo, causing Emilio Ferrera to leave regulars John Bostock, Yohan Croizet, Flavien Le Postollec, Jordan Remacle and Leandro Trossard out of the starting lineup. Mouscron-Péruwelz started strongly, creating several chances with both Tristan Dingomé and Filip Marković coming close to the opening goal in the first few minutes. The goal eventually came after 16 minutes when a free kick by François Marquet, carried by the wind, floated over all players and Rudy Riou straight into the goal. Kenneth Houdret and Pierre-Yves Ngawa came closest in the first half to equalize for OH Leuven but did not succeed. In a dull second half, the OH Leuven players seemed to be thinking more of the upcoming clash with Westerlo not creating chances, while Mouscron-Péruwelz was happy to defend their one-goal lead instead of pushing for more.[53]
During the season, OH Leuven played several friendlies. The traditional friendlies occurred early September (against Genk) to bridge the gap caused by the international matches and in the beginning of January following the short winter break. The other friendlies were the result of the 2016 reform of the Belgian football league system, which meant that following the 2015–16 Belgian Pro Leagueregular season, the team had no more official matches from mid March until the beginning of the next season, effectively a four-month break. To bridge the gap, the team organised a series of friendlies in March, April and May which supporters could attend for free. On 20 April OHL invited several players on trial to participate in the match against Belgian Fourth Division team Francs Borains.
