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 Kb3 win in 7 half-moves
3 Ka2 draw
4 Ka4 draw
5 Kb2 draw
6 Kc6 draw
7 Kc7 draw
8 Kc8 draw
9 Kd6 draw
10 Kd8 draw
11 Ke6 draw
12 Ke7 draw
13 Ke8 draw
14 Ra5 draw
15 Rb5 draw
16 Rc4 draw
17 Rc6 draw
18 Rc7 draw
19 Rc8 draw
20 Rh5 draw
21 Rc1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rg5 loss in 2 half-moves