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 Kb4 draw
3 Kbb5 draw
4 Kbc6 draw
5 Kcb5 draw
6 Kcc6 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Ra7 draw
11 Rb7 draw
12 Rc8 draw
13 Rd7 draw
14 Re7 draw
15 Ka5 loss in 1 half-moves
16 Ka6 loss in 1 half-moves
17 Ka7 loss in 1 half-moves
18 Kb7 loss in 1 half-moves
19 Kc4 loss in 1 half-moves
20 Rc6 loss in 1 half-moves
21 Rf7 loss in 1 half-moves
22 Rh7 loss in 1 half-moves