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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Ra5 draw
5 Ra6 draw
6 Ra7 draw
7 Rf2 draw
8 Ka8 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Kg8 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Ka7 loss in 1 half-moves