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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kb3 draw
5 Kb4 draw
6 Kc3 draw
7 Kc8 draw
8 Kd3 draw
9 Kd4 draw
10 Ke8 draw
11 Ra1 draw
12 Rb1 draw
13 Rc2 draw
14 Rd1 draw
15 Re1 draw
16 Kd5 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves