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

EGTB: draw

# move score
1 Rb4 draw
2 Re1 loss in 6 half-moves
3 Ka1 loss in 4 half-moves
4 Ka3 loss in 4 half-moves
5 Kb1 loss in 4 half-moves
6 Kb2 loss in 4 half-moves
7 Kb3 loss in 4 half-moves
8 Re2 loss in 4 half-moves
9 Re3 loss in 4 half-moves
10 Rf4 loss in 4 half-moves
11 Rg4 loss in 4 half-moves
12 Rh4 loss in 4 half-moves
13 Ra4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Re8 loss in 2 half-moves