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

EGTB: win in 18 half-moves

# move score
1 Rg7 win in 17 half-moves
2 Rg8 win in 21 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kc7 draw
6 Kd7 draw
7 Kd8 draw
8 Kg3 draw
9 Rg6 draw
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Kh5 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves