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 K6b5 win in 3 half-moves
4 K6b6 win in 3 half-moves
5 Kb4 win in 3 half-moves
6 Kb7 win in 3 half-moves
7 Rb7 win in 3 half-moves
8 Ka4 win in 7 half-moves
9 Ra7 win in 7 half-moves
10 Rd7 win in 7 half-moves
11 Re7 win in 7 half-moves
12 Ka7 draw
13 Rc2 draw
14 Rc6 draw
15 Rc8 draw
16 Rf7 draw
17 Rc1 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves