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 Kb5 win in 7 half-moves
3 Ke7 win in 9 half-moves
4 Ra7 win in 11 half-moves
5 Ka4 draw
6 Ka6 draw
7 Ke8 draw
8 Kf7 draw
9 Kg7 draw
10 Kg8 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rb8 draw
16 Rf7 draw
17 Rg7 draw
18 Rh7 draw
19 Kb4 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re7 loss in 2 half-moves