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

EGTB: draw

# move score
1 Rd4 draw
2 Re2 draw
3 Re3 draw
4 g6 loss in 2 half-moves
5 Ra4 loss in 2 half-moves
6 Rb4 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Re5 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves