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 Kb6 draw
3 Kb7 draw
4 Kc7 draw
5 Kd5 draw
6 Kd6 draw
7 Kg5 draw
8 Kg6 draw
9 Kg7 draw
10 Kh5 draw
11 Kh7 draw
12 Rc5 draw
13 Rd1 draw
14 Re1 draw
15 Rf1 draw
16 Rh1 draw
17 Kb5 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rc4 loss in 2 half-moves