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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Ka7 win in 5 half-moves
5 Kd6 win in 5 half-moves
6 Ra2 win in 7 half-moves
7 Kc4 draw
8 Kc5 draw
9 Kd4 draw
10 Rb2 draw
11 Rc2 draw
12 Rd1 draw
13 Rd3 draw
14 Rd4 draw
15 Re2 draw
16 Rf2 draw
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rh2 loss in 2 half-moves