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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Kd5 draw
8 Kd7 draw
9 Ra3 draw
10 Rb3 draw
11 Rc3 draw
12 Rd3 draw
13 Re1 draw
14 Re2 draw
15 Re4 draw
16 Re5 draw
17 Rf3 draw
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves