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 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Kf4 draw
8 Kg4 draw
9 Kg5 draw
10 Ra4 draw
11 Rb4 draw
12 Rc1 draw
13 Rc2 draw
14 Rc3 draw
15 Rc5 draw
16 Rc6 draw
17 Rd4 draw
18 Re4 draw
19 Rf4 draw
20 Kf6 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves