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 Kc3 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Ke3 win in 3 half-moves
6 Ka4 draw
7 Ka5 draw
8 Ka6 draw
9 Kc1 draw
10 Kc2 draw
11 Kc5 draw
12 Kd1 draw
13 Ke1 draw
14 Ke2 draw
15 Rf5 draw
16 Rg1 draw
17 Rg2 draw
18 Rg3 draw
19 Rg4 draw
20 Rg6 draw
21 Rh5 draw
22 Kb6 loss in 2 half-moves
23 Kc6 loss in 2 half-moves
24 Rc5 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Re5 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rg8 loss in 2 half-moves