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

EGTB: win in 6 half-moves

# move score
1 Rc7 win in 5 half-moves
2 Rd7 draw
3 Re7 draw
4 Rf7 draw
5 Rg7 draw
6 Rh1 draw
7 Rh6 draw
8 Rh8 draw
9 Ra7 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rh2 loss in 2 half-moves
12 Rh3 loss in 2 half-moves
13 Rh4 loss in 2 half-moves
14 Rh5 loss in 2 half-moves