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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kc5 draw
5 Kd5 draw
6 Ke3 draw
7 Ke5 draw
8 Ra4 draw
9 Rb4 draw
10 Rc5 draw
11 Kc3 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves