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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rb7 draw
4 K3b3 loss in 2 half-moves
5 K3b4 loss in 2 half-moves
6 K3d3 loss in 2 half-moves
7 K3d4 loss in 2 half-moves
8 K4b3 loss in 2 half-moves
9 K4b4 loss in 2 half-moves
10 K4d3 loss in 2 half-moves
11 K4d4 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves
27 Kb5 loss in 1 half-moves
28 Rb5 loss in 1 half-moves