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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Rd2 draw
4 Re3 draw
5 Re4 draw
6 Re5 draw
7 Re7 draw
8 Rh2 draw
9 Ka3 loss in 2 half-moves
10 Kaa1 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kba1 loss in 2 half-moves
14 Kbb2 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves