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 Kc5 draw
3 Kc6 draw
4 Kd5 draw
5 Ke5 draw
6 Ke6 draw
7 Ra3 draw
8 Ra4 draw
9 Ra8 draw
10 Rb7 draw
11 Rc7 draw
12 Rd7 draw
13 Kc7 loss in 4 half-moves
14 Kd7 loss in 4 half-moves
15 Ke7 loss in 4 half-moves
16 Ra6 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves