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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Ra8 win in 1 half-moves
3 Kc1 win in 3 half-moves
4 Kd1 win in 3 half-moves
5 Kb2 draw
6 Ke1 draw
7 Ke2 draw
8 Ra7 draw
9 Rb2 draw
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rc2 loss in 2 half-moves