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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc8 draw
3 Rb7 draw
4 Re8 draw
5 Rf8 draw
6 Rg8 draw
7 Ka1 loss in 2 half-moves
8 Ka2 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves