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

EGTB: draw

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