The plaque is on Allée du Jeu de Criquet - Cricketspelweg https://www.mapillary.com/app/?pKey=5300037540030031
(Plaque to commemorate the cricket game held by English soldiers on the eve of the Battle of Waterloo (1815) ) as the name came from (and maybe too because of use of Royal Brussels Cricket Club and lawn tennis players in the past). 

https://monument.heritage.brussels/files/cities/1001/documents/bois_cambre_bruxelles-extensions_sud.pdf Pages 6 and 11