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

EGTB: win in 52 half-moves

# move score
1 Rb1 win in 51 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kd1 draw
5 Kd2 draw
6 Kd3 draw
7 Kd4 draw
8 Ke2 draw
9 Kf1 draw
10 Kf2 draw
11 Ra4 draw
12 Rb2 draw
13 Rb3 draw
14 Rb5 draw
15 Kb5 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves