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

EGTB: win in 4 half-moves

# move score
1 K7d8 win in 3 half-moves
2 K7b7 draw
3 K7b8 draw
4 K7d7 draw
5 K8b7 draw
6 K8b8 draw
7 K8d7 draw
8 K8d8 draw
9 Ra5 draw
10 Re1 draw
11 Re6 draw
12 Re7 draw
13 Re8 draw
14 Rf5 draw
15 Rg5 draw
16 Rh5 draw
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rb5 loss in 1 half-moves
21 Rc5 loss in 1 half-moves
22 Rd5 loss in 1 half-moves
23 Re2 loss in 1 half-moves
24 Re3 loss in 1 half-moves
25 Re4 loss in 1 half-moves