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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ra8 draw
3 Rb6 draw
4 Rb7 draw
5 Re8 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 Kb2 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kcd2 loss in 2 half-moves
15 Kcd3 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ked2 loss in 2 half-moves
21 Ked3 loss in 2 half-moves
22 Kf1 loss in 2 half-moves
23 Kf2 loss in 2 half-moves
24 Kf3 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rb3 loss in 2 half-moves
28 Rb4 loss in 2 half-moves
29 Rc8 loss in 2 half-moves
30 Rd8 loss in 2 half-moves