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 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc3 draw
7 Kd1 draw
8 Kd2 draw
9 Kd3 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb5 draw
14 Rb7 draw
15 Rc4 draw
16 Re4 draw
17 Rf4 draw
18 Rh4 draw
19 Rb3 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rg4 loss in 1 half-moves