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

EGTB: draw

# move score
1 Ra4 draw
2 Re8 draw
3 Re1 loss in 10 half-moves
4 Re2 loss in 10 half-moves
5 Re3 loss in 4 half-moves
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rb4 loss in 1 half-moves
19 Rc4 loss in 1 half-moves