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 Kc4 draw
3 Kc6 draw
4 Kd4 draw
5 Kd5 draw
6 Kd6 draw
7 Rb5 draw
8 Rb7 draw
9 Rd8 draw
10 Ra8 loss in 6 half-moves
11 Kb4 loss in 4 half-moves
12 Kb5 loss in 4 half-moves
13 Kb6 loss in 4 half-moves
14 Rc8 loss in 4 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 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
22 Rh8 loss in 2 half-moves