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 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc7 draw
9 Kd6 draw
10 Kd7 draw
11 Ra1 draw
12 Ra5 draw
13 Ra6 draw
14 Ra8 draw
15 Rb7 draw
16 Rc7 draw
17 Rh7 draw
18 Kc1 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Rd7 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Rf7 loss in 2 half-moves