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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb6 win in 9 half-moves
3 Ka4 draw
4 Ka6 draw
5 Kb4 draw
6 Kb5 draw
7 Kd8 draw
8 Kf8 draw
9 Ra8 draw
10 Rb2 draw
11 Rb3 draw
12 Rc8 draw
13 Rd8 draw
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Rb4 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