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 draw
3 Rf5 draw
4 Rf6 draw
5 Rf7 draw
6 Rf8 draw
7 Rg2 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 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves