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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb2 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Ka3 draw
6 Kaa1 draw
7 Kab2 draw
8 Kb3 draw
9 Kba1 draw
10 Kbb2 draw
11 Kc1 draw
12 Kc2 draw
13 Ra6 draw
14 Rc6 draw
15 Rd6 draw
16 Rh6 draw
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves