Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Ra7 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Rh5 draw
10 Rh6 draw
11 Ka5 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh8 loss in 1 half-moves