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 Kb3 win in 7 half-moves
3 K1b1 draw
4 K1b2 draw
5 K2b1 draw
6 K2b2 draw
7 Ka3 draw
8 Rc2 draw
9 Rd2 draw
10 Re1 draw
11 Re3 draw
12 Re8 draw
13 Rf2 draw
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves