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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kc3 draw
3 Kd3 draw
4 Ke1 draw
5 Ke2 draw
6 Ke3 draw
7 Ra1 draw
8 Ra3 draw
9 Rc2 draw
10 Kc2 loss in 28 half-moves
11 Kc1 loss in 18 half-moves
12 Kd1 loss in 18 half-moves
13 Ra4 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Ra5 loss in 1 half-moves