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 Kb4 draw
3 Kb5 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Ra8 draw
9 Rb3 draw
10 Rb5 draw
11 Rb7 draw
12 Rd8 draw
13 Kb6 loss in 26 half-moves
14 Rc8 loss in 8 half-moves
15 Kd6 loss in 6 half-moves
16 Rf8 loss in 6 half-moves
17 Rb2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves