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 Rb7 win in 3 half-moves
3 Ka6 win in 5 half-moves
4 Ka3 draw
5 Ra7 draw
6 Rc1 draw
7 Rc6 draw
8 Rc8 draw
9 Rg7 draw
10 Rh7 draw
11 K4b4 loss in 2 half-moves
12 K4b5 loss in 2 half-moves
13 K5b4 loss in 2 half-moves
14 K5b5 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Rc2 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