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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kb1 draw
3 Ra8 draw
4 Rf8 draw
5 Rg8 draw
6 Rh8 draw
7 K2b2 loss in 2 half-moves
8 K2b3 loss in 2 half-moves
9 K3b2 loss in 2 half-moves
10 K3b3 loss in 2 half-moves
11 Ka1 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves