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