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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Ra3 win in 5 half-moves
4 Ka3 draw
5 Kaa1 draw
6 Kab2 draw
7 Kb3 draw
8 Kba1 draw
9 Kbb2 draw
10 Kc1 draw
11 Kc2 draw
12 Rd3 draw
13 Re1 draw
14 Re2 draw
15 Re7 draw
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves