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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb3 draw
3 Kb4 draw
4 Kb5 draw
5 Kc3 draw
6 Kc5 draw
7 Kd3 draw
8 Kd4 draw
9 Kd5 draw
10 Ra6 draw
11 Rb1 draw
12 Rb4 draw
13 Rb5 draw
14 Rb7 draw
15 Rc6 draw
16 Rd6 draw
17 Re6 draw
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves