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

EGTB: win in 2 half-moves

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