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

EGTB: win in 4 half-moves

# move score
1 Rc3 win in 3 half-moves
2 Kb6 win in 11 half-moves
3 Kc6 win in 11 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kc3 draw
7 Kc8 draw
8 Kd7 draw
9 Kd8 draw
10 Ke2 draw
11 Ke3 draw
12 Ra5 draw
13 Ra7 draw
14 Rb3 draw
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra8 loss in 2 half-moves