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 Ka6 draw
3 Kaa8 draw
4 Kab7 draw
5 Kba8 draw
6 Kbb7 draw
7 Kc7 draw
8 Kc8 draw
9 Ra1 draw
10 Rb2 draw
11 Rf2 draw
12 Kb6 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves