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

EGTB: win in 6 half-moves

# move score
1 Kb4 win in 5 half-moves
2 Kd4 win in 5 half-moves
3 Ke1 win in 5 half-moves
4 Ke2 win in 5 half-moves
5 Kc4 win in 9 half-moves
6 Kd5 win in 9 half-moves
7 Kf2 win in 9 half-moves
8 Rb1 win in 9 half-moves
9 Rc2 win in 9 half-moves
10 Kg2 win in 11 half-moves
11 Re1 win in 15 half-moves
12 Kb5 draw
13 Kb6 draw
14 Kc6 draw
15 Kd6 draw
16 Kg1 draw
17 Ra1 draw
18 Rc3 draw
19 Rc4 draw
20 Rd1 draw