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 Kb4 draw
3 Kc4 draw
4 Kc6 draw
5 Kd4 draw
6 Rb5 draw
7 Rb7 draw
8 Rd8 draw
9 Kd5 loss in 16 half-moves
10 Kd6 loss in 10 half-moves
11 Rc8 loss in 10 half-moves
12 Re8 loss in 8 half-moves
13 Kb5 loss in 4 half-moves
14 Kb6 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ra8 loss in 1 half-moves