This position is reminiscent of a Bagai position, though I don't think it quite qualifies. In any case, XG hates 6/1* 4/1, preferring instead the hit-and-split play.
But in the gammon save rollout below, the two plays are tied.

              
 
              
 | | White is Player 2
score: 0 pip: 105 | | Unlimited Game | pip: 97 score: 0
Blue is Player 1 | |
| XGID=-aC-CCBaB---b-----Bbabbbb-:1:-1:1:53:0:0:0:0:10 |
| Blue to play 53 |
| 1. | Rollout1 | 18/13 4/1* | eq: +0.089 |
| Player: Opponent: | 56.14% (G:26.68% B:0.60%) 43.86% (G:21.28% B:0.84%) | Conf.: ± 0.006 (+0.083...+0.095) - [100.0%] Duration: 51.6 seconds |
|
| 2. | Rollout1 | 6/1* 4/1 | eq: -0.050 (-0.139) |
| Player: Opponent: | 52.28% (G:18.60% B:0.23%) 47.72% (G:14.57% B:0.31%) | Conf.: ± 0.007 (-0.057...-0.043) - [0.0%] Duration: 43.0 seconds |
|
| |
1 1296 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.211.pre-release
Gammon save:

              
 
              
 | | White is Player 2
score: 0 pip: 105 | 2 point match Crawford | pip: 97 score: 1
Blue is Player 1 | |
| XGID=-aC-CCBaB---b-----Bbabbbb-:0:0:1:53:1:0:1:2:10 |
| Blue to play 53 |
| 1. | Rollout1 | 18/13 4/1* | eq: -0.298 |
| Player: Opponent: | 57.52% (G:24.87% B:1.84%) 42.48% (G:22.43% B:1.70%) | Conf.: ± 0.002 (-0.301...-0.296) - [70.7%] Duration: 3 minutes 00 second |
|
| 2. | Rollout1 | 6/1* 4/1 | eq: -0.299 (-0.001) |
| Player: Opponent: | 54.40% (G:21.45% B:0.33%) 45.60% (G:19.36% B:0.42%) | Conf.: ± 0.003 (-0.302...-0.296) - [29.3%] Duration: 2 minutes 55 seconds |
|
| |
1 5184 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.211.pre-release, MET: Kazaross XG2