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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Kgg7 draw
3 Kgh7 draw
4 Khg7 draw
5 Khh7 draw
6 Ra1 draw
7 Ra2 draw
8 Ra4 draw
9 Re3 draw
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves