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