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

EGTB: draw

# move score
1 Kb5 draw
2 Kb7 draw
3 Kc5 draw
4 Kc7 draw
5 Kd5 draw
6 Kd7 draw
7 Rb7 draw
8 Rb8 loss in 8 half-moves
9 Kd6 loss in 4 half-moves
10 Ra6 loss in 4 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves