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 Re8 win in 1 half-moves
3 Re5 draw
4 Re6 draw
5 Re7 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Ra4 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves