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 Rb1 win in 3 half-moves
3 Ka4 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kb4 draw
8 Kb6 draw
9 Kb7 draw
10 Kb8 draw
11 Kc4 draw
12 Kc5 draw
13 Kc6 draw
14 Ra3 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Rf3 draw
19 Rb4 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves