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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ra3 draw
6 Rc3 draw
7 Rd3 draw
8 Re1 draw
9 Re4 draw
10 Re5 draw
11 Re6 draw
12 Rf3 draw
13 Re2 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves