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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 K7a7 draw
3 K7a8 draw
4 K7c7 draw
5 K7c8 draw
6 K8a7 draw
7 K8a8 draw
8 K8c7 draw
9 K8c8 draw
10 Ka6 draw
11 Kb6 draw
12 Kc6 draw
13 Ra6 draw
14 Rh1 draw
15 Rh2 draw
16 Rh7 draw
17 Rb6 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rh3 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh5 loss in 2 half-moves