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 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rh8 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kcc2 loss in 2 half-moves
14 Kcd1 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kdc2 loss in 2 half-moves
17 Kdd1 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves