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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka4 draw
3 Kb4 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rd7 draw
10 Rg7 draw
11 Rh7 draw
12 Ka2 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Kh1 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Rf7 loss in 2 half-moves