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

EGTB: draw

# move score
1 Rb2 draw
2 Kc1 loss in 6 half-moves
3 Rc1 loss in 6 half-moves
4 Ke1 loss in 4 half-moves
5 Ra1 loss in 4 half-moves
6 Rb7 loss in 4 half-moves
7 Rb8 loss in 4 half-moves
8 Kc2 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves