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 Rg3 win in 1 half-moves
3 Rb1 win in 13 half-moves
4 Ka3 draw
5 Ka4 draw
6 Ka7 draw
7 Kaa5 draw
8 Kab5 draw
9 Kb6 draw
10 Kb7 draw
11 Kba5 draw
12 Kbb5 draw
13 Ra3 draw
14 Rh3 draw
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves