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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kc2 draw
3 Kc4 draw
4 Kd2 draw
5 Kd3 draw
6 Kd4 draw
7 Ra4 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb5 draw
12 Rf4 draw
13 Rg4 draw
14 Rh4 draw
15 Kb3 loss in 12 half-moves
16 Kb2 loss in 6 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves