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 Ka6 draw
3 Rb7 draw
4 Rf7 draw
5 Rg7 draw
6 Ka4 loss in 4 half-moves
7 Kb4 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rd7 loss in 1 half-moves
13 Re7 loss in 1 half-moves
14 Rh7 loss in 1 half-moves