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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kd6 draw
6 Ra5 draw
7 Ra8 draw
8 Rc7 draw
9 Rd7 draw
10 Rh7 draw
11 Kc5 loss in 6 half-moves
12 Kd5 loss in 6 half-moves
13 Ra4 loss in 6 half-moves
14 Kc7 loss in 4 half-moves
15 Kd7 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 Ra3 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves