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 Kc1 draw
3 Ke1 draw
4 Rb2 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Kc2 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rb4 loss in 1 half-moves
14 Rb5 loss in 1 half-moves