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 Kd3 draw
3 Kf3 draw
4 Rb1 draw
5 Rb2 draw
6 Rb4 draw
7 Rb5 draw
8 Rc3 draw
9 Rd3 draw
10 Kd2 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves