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 Ra2 draw
3 Rc2 draw
4 Rd2 draw
5 Rf3 draw
6 Rf7 draw
7 Rf8 draw
8 Ka4 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves