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