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 10 half-moves
3 Re2 loss in 8 half-moves
4 Ka2 loss in 4 half-moves
5 Ka3 loss in 4 half-moves
6 Kb2 loss in 4 half-moves
7 Kc2 loss in 4 half-moves
8 Kc3 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 Ka4 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 1 half-moves