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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Ra7 win in 5 half-moves
5 Ka4 draw
6 Ka6 draw
7 Kb4 draw
8 Kc6 draw
9 Kc8 draw
10 Kd6 draw
11 Kd8 draw
12 Ke8 draw
13 Rc1 draw
14 Rc2 draw
15 Rc3 draw
16 Rc8 draw
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rc6 loss in 2 half-moves