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 Ra7 draw
3 Rd2 draw
4 Rd3 draw
5 Rd4 draw
6 Rd5 draw
7 Re7 draw
8 Rf7 draw
9 Rh7 draw
10 K6g7 loss in 2 half-moves
11 K6h7 loss in 2 half-moves
12 K8g7 loss in 2 half-moves
13 K8h7 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Rd8 loss in 2 half-moves