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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Ra3 draw
7 Ra4 draw
8 Rh2 draw
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Ka7 loss in 1 half-moves
16 Ka8 loss in 1 half-moves
17 Kb8 loss in 1 half-moves
18 Kc8 loss in 1 half-moves
19 Rb2 loss in 1 half-moves
20 Rc2 loss in 1 half-moves
21 Rf2 loss in 1 half-moves
22 Rg2 loss in 1 half-moves