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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc5 draw
11 Kc7 draw
12 Kd5 draw
13 Kd6 draw
14 Kd7 draw
15 Ra1 draw
16 Rd1 draw
17 Re1 draw
18 Rf1 draw
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves