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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Ka5 draw
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Ra8 draw
7 Rb7 draw
8 Rc7 draw
9 Rh7 draw
10 Rd7 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves