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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kf6 draw
3 Kf7 draw
4 Kg6 draw
5 Rg2 draw
6 Kf8 loss in 6 half-moves
7 Kg8 loss in 4 half-moves
8 Kh6 loss in 4 half-moves
9 Kh7 loss in 4 half-moves
10 Kh8 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rd4 loss in 1 half-moves