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 K6g6 draw
3 K6g7 draw
4 K7g6 draw
5 K7g7 draw
6 Kg5 draw
7 Kg8 draw
8 Kh5 draw
9 Kh8 draw
10 Ra7 draw
11 Re1 draw
12 Re5 draw
13 Re6 draw
14 Re8 draw
15 Rf7 draw
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves