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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kb1 draw
3 Kd1 draw
4 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Ke5 draw
8 Kf5 draw
9 Kf6 draw
10 Kf7 draw
11 Rc7 draw
12 Rd7 draw
13 Re8 draw
14 Rf7 draw
15 Rh7 draw
16 Kb2 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb7 loss in 2 half-moves