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 Kc2 draw
4 Kd2 draw
5 Ke2 draw
6 Rb2 draw
7 Ke1 loss in 6 half-moves
8 Rb8 loss in 6 half-moves
9 Ra1 loss in 4 half-moves
10 Rb6 loss in 4 half-moves
11 Rb7 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