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 win in 13 half-moves
3 Ka1 draw
4 Ka3 draw
5 Ka5 draw
6 Ka6 draw
7 Ka7 draw
8 Kb5 draw
9 Kc6 draw
10 Kc7 draw
11 Ra7 draw
12 Rb8 draw
13 Rc7 draw
14 Re7 draw
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves