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

EGTB: win in 2 half-moves

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