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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 K4b5 win in 5 half-moves
3 K5b5 win in 5 half-moves
4 Ka6 win in 5 half-moves
5 Rb7 win in 5 half-moves
6 Rc5 win in 5 half-moves
7 Rc6 win in 5 half-moves
8 Ka3 draw
9 Ra7 draw
10 Rc1 draw
11 Rc8 draw
12 Rg7 draw
13 Rh7 draw
14 K4b4 loss in 2 half-moves
15 K5b4 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 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