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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Rc6 win in 5 half-moves
3 Rb6 draw
4 Rd6 draw
5 Re6 draw
6 Rh2 draw
7 Rh3 draw
8 Rh4 draw
9 Rh7 draw
10 Kaa2 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kba2 loss in 2 half-moves
13 Kbb2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh8 loss in 2 half-moves