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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka6 draw
3 Kc5 draw
4 Ra2 draw
5 Ra4 draw
6 Ra6 draw
7 Ra8 draw
8 Rb1 draw
9 Rc1 draw
10 Kb5 loss in 14 half-moves
11 Kb7 loss in 14 half-moves
12 Ka5 loss in 8 half-moves
13 Ka7 loss in 8 half-moves
14 Kc6 loss in 6 half-moves
15 Kc7 loss in 6 half-moves
16 Rd1 loss in 4 half-moves
17 Ra5 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rg1 loss in 1 half-moves