Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ka6 win in 5 half-moves
3 Kb6 win in 5 half-moves
4 K4b4 draw
5 K4b5 draw
6 K5b4 draw
7 K5b5 draw
8 Ka3 draw
9 Kb3 draw
10 Ra3 draw
11 Rc3 draw
12 Rd3 draw
13 Re1 draw
14 Re2 draw
15 Re7 draw
16 Rf3 draw
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 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves