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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 K6b7 draw
3 K6d6 draw
4 K6d7 draw
5 K7b7 draw
6 K7d6 draw
7 K7d7 draw
8 Kb5 draw
9 Kb8 draw
10 Kc5 draw
11 Kc8 draw
12 Kd8 draw
13 Ra6 draw
14 Rb1 draw
15 Rb5 draw
16 Rb7 draw
17 Rb8 draw
18 Kd5 loss in 1 half-moves
19 Rb2 loss in 1 half-moves
20 Rb4 loss in 1 half-moves