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 Kb6 draw
4 Kb7 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Ka5 loss in 1 half-moves
10 Kb5 loss in 1 half-moves
11 Kg2 loss in 1 half-moves
12 Kg3 loss in 1 half-moves
13 Kg4 loss in 1 half-moves
14 Kh2 loss in 1 half-moves
15 Kh4 loss in 1 half-moves
16 Ra8 loss in 1 half-moves
17 Rb7 loss in 1 half-moves