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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kd4 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kb3 win in 7 half-moves
5 Ka2 draw
6 Ka4 draw
7 Kb2 draw
8 Kd6 draw
9 Ke4 draw
10 Ke6 draw
11 Kf6 draw
12 Ra8 draw
13 Rb8 draw
14 Rc1 draw
15 Rc5 draw
16 Rc6 draw
17 Rc7 draw
18 Rd8 draw
19 Re8 draw
20 Rf8 draw
21 Kf4 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves