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

EGTB: draw

# move score
1 Rb4 draw
2 Rb5 draw
3 Rf8 draw
4 Rg8 draw
5 Rh8 draw
6 Ke1 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Kf1 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rb6 loss in 1 half-moves
22 Rd8 loss in 1 half-moves