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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kb7 win in 5 half-moves
3 Ka6 draw
4 Ka8 draw
5 Kb8 draw
6 Ke3 draw
7 Ra3 draw
8 Rb3 draw
9 Rc1 draw
10 Rc5 draw
11 Rc6 draw
12 Rc7 draw
13 Rc8 draw
14 Kc2 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc4 loss in 2 half-moves