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

EGTB: win in 4 half-moves

# move score
1 K6b7 win in 3 half-moves
2 K8b7 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kb8 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 K8a7 win in 5 half-moves
7 Ka5 win in 5 half-moves
8 Kb5 win in 5 half-moves
9 Rc6 win in 5 half-moves
10 Rc8 win in 5 half-moves
11 K6a7 draw
12 Ra7 draw
13 Rc1 draw
14 Rc2 draw
15 Rd7 draw
16 Re7 draw
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves