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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Ra6 win in 1 half-moves
4 Rb3 draw
5 Kc2 loss in 2 half-moves
6 Kc4 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Kb3 loss in 1 half-moves
15 Kd3 loss in 1 half-moves
16 Kd4 loss in 1 half-moves