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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc7 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Re8 draw
7 Kb7 loss in 6 half-moves
8 Kd7 loss in 6 half-moves
9 Ra8 loss in 6 half-moves
10 Kb6 loss in 4 half-moves
11 Rc8 loss in 4 half-moves
12 Rh8 loss in 4 half-moves
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves