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 Re4 draw
6 Re5 draw
7 Re6 draw
8 Re8 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 Re1 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves