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

EGTB: win in 4 half-moves

# move score
1 K5b5 win in 3 half-moves
2 K5b6 win in 3 half-moves
3 K6b6 win in 3 half-moves
4 Kb4 win in 3 half-moves
5 Kb7 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 Ka4 win in 5 half-moves
8 Ka7 win in 7 half-moves
9 K6b5 draw
10 Ra8 draw
11 Rc3 draw
12 Rc7 draw
13 Rd8 draw
14 Rh8 draw
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 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