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 Kb3 draw
3 Kb4 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd4 draw
8 Kd5 draw
9 Ra5 draw
10 Rb1 draw
11 Rb3 draw
12 Rb4 draw
13 Rb6 draw
14 Rb7 draw
15 Rb8 draw
16 Rd5 draw
17 Re5 draw
18 Rf5 draw
19 Rg5 draw
20 Rh5 draw
21 Rc5 loss in 2 half-moves