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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kc2 draw
3 Kc3 draw
4 Kc4 draw
5 Kd2 draw
6 Kd4 draw
7 Ke2 draw
8 Ke4 draw
9 Ra2 draw
10 Ra4 draw
11 Rc3 draw
12 Ke3 loss in 6 half-moves
13 Ra5 loss in 6 half-moves
14 Ra6 loss in 6 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Ra1 loss in 1 half-moves