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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kg3 draw
3 Kg4 draw
4 Kh2 draw
5 Kh4 draw
6 Rd1 draw
7 Re7 draw
8 Rf7 draw
9 Rh7 draw
10 Rd8 loss in 6 half-moves
11 Kg2 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd6 loss in 2 half-moves