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

EGTB: draw

# move score
1 Kb5 draw
2 Kd1 draw
3 Kd2 draw
4 Kd5 draw
5 Kf1 draw
6 Ra1 draw
7 Ra2 draw
8 Ra7 draw
9 Rb5 draw
10 Kb4 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves