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

EGTB: win in 2 half-moves

# move score
1 Re7 win in 1 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rh8 loss in 4 half-moves
6 Kg5 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kg7 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Rf7 loss in 2 half-moves
12 Rg7 loss in 2 half-moves