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 Ka5 draw
3 Ka6 draw
4 Kb4 draw
5 Kb6 draw
6 Kc4 draw
7 Kc5 draw
8 Ra2 draw
9 Ra5 draw
10 Rb1 draw
11 Rc1 draw
12 Ka4 loss in 8 half-moves
13 Kc6 loss in 6 half-moves
14 Re1 loss in 4 half-moves
15 Rf1 loss in 4 half-moves
16 Ra4 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rd1 loss in 1 half-moves