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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Ke7 draw
7 Kf7 draw
8 Ra2 draw
9 Ra3 draw
10 Ra5 draw
11 Ra6 draw
12 Ra7 draw
13 Ra8 draw
14 Rc1 draw
15 Rd1 draw
16 Re1 draw
17 Rf1 draw
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves