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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd6 draw
8 Kd7 draw
9 Ra8 draw
10 Rb2 draw
11 Rb4 draw
12 Rb6 draw
13 Rb7 draw
14 Rc8 draw
15 Re8 draw
16 Kd5 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rd8 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