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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 K5g6 draw
3 K6g6 draw
4 Kg7 draw
5 Kh4 draw
6 Kh7 draw
7 Ra8 draw
8 Re1 draw
9 Re5 draw
10 Re6 draw
11 Re7 draw
12 Rf8 draw
13 Rh8 draw
14 K5g5 loss in 2 half-moves
15 K6g5 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves