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

EGTB: draw

# move score
1 Rb4 draw
2 Re1 draw
3 Re2 draw
4 Re5 draw
5 Rf4 draw
6 Rg4 draw
7 Rh4 draw
8 Ra4 loss in 4 half-moves
9 f7 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Re3 loss in 1 half-moves