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 Rf7 win in 1 half-moves
3 Ka5 draw
4 Rb7 draw
5 Rg7 draw
6 Rh7 draw
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rd7 loss in 1 half-moves
12 Re7 loss in 1 half-moves