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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kc5 draw
3 Rb1 draw
4 Rb2 draw
5 Rb4 draw
6 Rb5 draw
7 Rb7 draw
8 Rc8 draw
9 Rd8 draw
10 Rh8 draw
11 Kb3 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Kb4 loss in 1 half-moves
22 Kb5 loss in 1 half-moves