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

EGTB: draw

# move score
1 Rb2 draw
2 Rb3 draw
3 Rb8 draw
4 Rc1 draw
5 Rd1 draw
6 Kd1 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb4 loss in 1 half-moves