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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Kb3 draw
4 Kb4 draw
5 Kb7 draw
6 Kc2 draw
7 Kc4 draw
8 Kc7 draw
9 Kd2 draw
10 Kd3 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Kb2 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves