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

EGTB: draw

# move score
1 Ra4 draw
2 Rd4 draw
3 Re2 draw
4 b7 loss in 2 half-moves
5 Rb4 loss in 2 half-moves
6 Re1 loss in 2 half-moves
7 Re3 loss in 2 half-moves
8 Re5 loss in 2 half-moves
9 Re6 loss in 2 half-moves
10 Re7 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rc4 loss in 1 half-moves