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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kc6 draw
5 Kd6 draw
6 Rc4 draw
7 Rd4 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Re5 draw
12 Re6 draw
13 Rf4 draw
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Ke6 loss in 1 half-moves