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 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Kd5 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Ka1 draw
8 Ka2 draw
9 Kb2 draw
10 Kc2 draw
11 Kc4 draw
12 Kc6 draw
13 Rd1 draw
14 Re1 draw
15 Rf1 draw
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves