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 Kcb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Rd8 win in 3 half-moves
5 Kc7 win in 5 half-moves
6 Kcb5 win in 5 half-moves
7 Ra8 win in 9 half-moves
8 Ka4 draw
9 Ka6 draw
10 Kab5 draw
11 Kab6 draw
12 Kb4 draw
13 Kc5 draw
14 Kd5 draw
15 Kd6 draw
16 Kd7 draw
17 Re8 draw
18 Rf8 draw
19 Rc7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves