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 Ka5 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kg1 draw
8 Ra8 draw
9 Rb7 draw
10 Rc7 draw
11 Rd7 draw
12 Re7 draw
13 Kg2 loss in 1 half-moves
14 Kh2 loss in 1 half-moves
15 Rf7 loss in 1 half-moves