Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 K6g6 draw
3 K6g7 draw
4 K7g7 draw
5 Kg5 draw
6 Kh5 draw
7 Ra8 draw
8 Re8 draw
9 Rf8 draw
10 Rg8 draw
11 K7g6 loss in 2 half-moves
12 Kg8 loss in 2 half-moves
13 Rb8 loss in 1 half-moves
14 Rd8 loss in 1 half-moves