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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ra4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Re4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kcc1 loss in 2 half-moves
14 Kcc3 loss in 2 half-moves
15 Kcd1 loss in 2 half-moves
16 Kcd3 loss in 2 half-moves
17 Kdc1 loss in 2 half-moves
18 Kdc3 loss in 2 half-moves
19 Kdd1 loss in 2 half-moves
20 Kdd3 loss in 2 half-moves
21 Ke1 loss in 2 half-moves
22 Ke2 loss in 2 half-moves
23 Ke3 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rb3 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rd4 loss in 2 half-moves