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 Kc4 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Ke5 win in 3 half-moves
5 Ka2 draw
6 Ka3 draw
7 Ka4 draw
8 Kb2 draw
9 Kc2 draw
10 Kc3 draw
11 Ke7 draw
12 Kf5 draw
13 Kf7 draw
14 Rf1 draw
15 Rf2 draw
16 Rf3 draw
17 Rf4 draw
18 Rf5 draw
19 Rg6 draw
20 Rh6 draw
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves