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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb1 draw
3 Rb3 draw
4 Rb4 draw
5 Rb8 draw
6 Rf5 draw
7 Rg5 draw
8 Rh5 draw
9 Ka2 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kab3 loss in 2 half-moves
13 Kab4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kcb2 loss in 2 half-moves
17 Kcb3 loss in 2 half-moves
18 Kcb4 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Re5 loss in 2 half-moves