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 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra3 draw
8 Rc3 draw
9 Rd3 draw
10 Re1 draw
11 Re2 draw
12 Re5 draw
13 Re6 draw
14 Re7 draw
15 Rf3 draw
16 Rh3 draw
17 Re4 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg3 loss in 2 half-moves