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 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Ne3 win in 3 half-moves
8 Ra5 win in 3 half-moves
9 Rb5 win in 3 half-moves
10 Rc4 win in 3 half-moves
11 Rd5 win in 3 half-moves
12 Rg5 win in 3 half-moves
13 Kd5 win in 5 half-moves
14 Rc1 win in 5 half-moves
15 Nd2 loss in 2 half-moves
16 Ng3 loss in 2 half-moves
17 Nh2 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves