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

EGTB: win in 4 half-moves

# move score
1 K5a6 win in 3 half-moves
2 K5b6 win in 3 half-moves
3 K7a6 win in 3 half-moves
4 K7b6 win in 3 half-moves
5 Ka8 win in 3 half-moves
6 Kb5 win in 3 half-moves
7 Kb7 win in 3 half-moves
8 Kb8 win in 3 half-moves
9 Rg4 win in 3 half-moves
10 Rg5 win in 3 half-moves
11 Rg7 win in 3 half-moves
12 Rg8 win in 3 half-moves
13 Ra6 draw
14 Re6 draw
15 Rf6 draw
16 Rg3 draw
17 Rh6 draw
18 Ka4 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves