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 Kd6 draw
3 Kd7 draw
4 Ke7 draw
5 Kf6 draw
6 Kf7 draw
7 Ra1 draw
8 Ra2 draw
9 Ra4 draw
10 Ra6 draw
11 Ra8 draw
12 Rb7 draw
13 Rc7 draw
14 Re7 draw
15 Rf7 draw
16 Rh7 draw
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Rd7 loss in 2 half-moves