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 Rf3 draw
5 Rf4 draw
6 Rf5 draw
7 Rf8 draw
8 Rg2 draw
9 Rh2 draw
10 K5b5 loss in 2 half-moves
11 K5b6 loss in 2 half-moves
12 K6b5 loss in 2 half-moves
13 K6b6 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Ka7 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves