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

EGTB: win in 4 half-moves

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