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 Kd4 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kg3 win in 7 half-moves
6 Kb5 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Kf1 draw
11 Kf3 draw
12 Kg1 draw
13 Kg2 draw
14 Ra3 draw
15 Rc3 draw
16 Rf3 draw
17 Rg3 draw
18 Rh1 draw
19 Rh2 draw
20 Rh4 draw
21 Rh5 draw
22 Kb6 loss in 2 half-moves
23 Kc6 loss in 2 half-moves
24 Kd6 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rd3 loss in 2 half-moves
27 Re3 loss in 2 half-moves
28 Rh6 loss in 2 half-moves
29 Rh7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves