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 Rb4 win in 3 half-moves
3 Rb1 draw
4 Rb3 draw
5 Rb5 draw
6 Re6 draw
7 Rf6 draw
8 Rg6 draw
9 Rh6 draw
10 Ka2 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Kab2 loss in 2 half-moves
13 Kab3 loss in 2 half-moves
14 Kab4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kcb2 loss in 2 half-moves
18 Kcb3 loss in 2 half-moves
19 Kcb4 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc6 loss in 2 half-moves
27 Rd6 loss in 2 half-moves