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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Ra8 win in 3 half-moves
3 Ra3 draw
4 Ra6 draw
5 Ra7 draw
6 Ka1 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Kb6 loss in 1 half-moves
17 Kc6 loss in 1 half-moves