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 Kd4 draw
8 Kd5 draw
9 Ra7 draw
10 Rb2 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rc7 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Rg7 draw
20 Kd3 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rh7 loss in 2 half-moves