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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra4 draw
3 Rc4 draw
4 Rd4 draw
5 Re2 draw
6 Re5 draw
7 Re6 draw
8 Re7 draw
9 Rh4 draw
10 Ka7 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves