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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc6 draw
5 Kc8 draw
6 Kd8 draw
7 Ra8 draw
8 Rb7 draw
9 Rc8 draw
10 Rd8 draw
11 Rh8 draw
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves