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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd4 draw
8 Kd5 draw
9 Ra7 draw
10 Rb1 draw
11 Rb3 draw
12 Rb4 draw
13 Rb6 draw
14 Rc7 draw
15 Rd7 draw
16 Re7 draw
17 Rf7 draw
18 Rg7 draw
19 Kb3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rh7 loss in 2 half-moves