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

EGTB: draw

# move score
1 Rb4 draw
2 Kd1 loss in 2 half-moves
3 Kd2 loss in 2 half-moves
4 Ke2 loss in 2 half-moves
5 Kf1 loss in 2 half-moves
6 Kf2 loss in 2 half-moves
7 Rd4 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Re3 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf4 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rh4 loss in 2 half-moves
14 Ra4 loss in 1 half-moves
15 Rc4 loss in 1 half-moves
16 Re5 loss in 1 half-moves
17 Re6 loss in 1 half-moves
18 Re7 loss in 1 half-moves