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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ka4 draw
3 Kb2 draw
4 Kb4 draw
5 Kc3 draw
6 Ra2 draw
7 Ra3 draw
8 Rc1 draw
9 Rd1 draw
10 Ka2 loss in 20 half-moves
11 Kc2 loss in 20 half-moves
12 Rb1 loss in 12 half-moves
13 Ka3 loss in 4 half-moves
14 Kc4 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves