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 Kb6 win in 5 half-moves
3 K4b4 draw
4 K4b5 draw
5 K5b4 draw
6 K5b5 draw
7 Ka3 draw
8 Ka6 draw
9 Kb3 draw
10 Ra2 draw
11 Rc2 draw
12 Rd2 draw
13 Re1 draw
14 Re7 draw
15 Rf2 draw
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves