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

EGTB: draw

# move score
1 Ra1 draw
2 Ra2 draw
3 Ra3 draw
4 Ra7 draw
5 Kc4 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc5 loss in 2 half-moves