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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kcc8 draw
6 Kcd7 draw
7 Kdc8 draw
8 Kdd7 draw
9 Ke7 draw
10 Ke8 draw
11 Ra1 draw
12 Rc1 draw
13 Rg2 draw
14 Rg6 draw
15 Rg7 draw
16 Rg8 draw
17 Rh1 draw
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves