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

EGTB: draw

# move score
1 Ra2 draw
2 Ra5 draw
3 Kc1 loss in 8 half-moves
4 Ke1 loss in 6 half-moves
5 Ra8 loss in 4 half-moves
6 Rb1 loss in 4 half-moves
7 Kc2 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rc1 loss in 2 half-moves