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 K5b5 win in 5 half-moves
3 K6b6 win in 5 half-moves
4 Ka7 win in 5 half-moves
5 Kb4 win in 5 half-moves
6 Rb8 win in 5 half-moves
7 Rc7 win in 5 half-moves
8 K5b6 win in 7 half-moves
9 K6b5 draw
10 Ka4 draw
11 Ra8 draw
12 Rc1 draw
13 Rc2 draw
14 Rc6 draw
15 Rd8 draw
16 Rh8 draw
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves