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 Rh7 win in 1 half-moves
3 Rf7 draw
4 Kb5 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves